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                       SECURITIES AND EXCHANGE COMMISSION
                              Washington, DC 20549

                           ---------------------------


                                  SCHEDULE 13G
                              (Section 240.13d-102)

             INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT
        TO SECTIONS 240.13d-1(b), (c) and(d) AND AMENDMENTS THERETO FILED
                          PURSUANT TO SECTION 240.13d-2
                               (Amendment No. 1)1


                             Western Resources, Inc.
--------------------------------------------------------------------------------
                                (Name of Issuer)


                     Common Stock, par value $5.00 per share
--------------------------------------------------------------------------------
                         (Title of Class of Securities)


                                    959425109
--------------------------------------------------------------------------------
                                 (CUSIP Number)


                                December 31, 2001
--------------------------------------------------------------------------------
             (Date of Event which Requires Filing of this Statement)


     Check the  appropriate  box to  designate  the rule  pursuant to which this
Schedule is filed:

         | |      Rule 13d-1(b)
         |X|      Rule 13d-1(c)
         | |      Rule 13d-1(d)


--------
     1 The  remainder  of this cover  page  shall be filled out for a  reporting
person's  initial  filing on this  form with  respect  to the  subject  class of
securities,  and for any subsequent amendment containing information which would
alter the disclosures provided in a prior cover page.
     The  information  required in the remainder of this cover page shall not be
deemed to be "filed"  for the purpose of Section 18 of the  Securities  Exchange
Act of 1934 ("Act")or  otherwise  subject to the  liabilities of that section of
the Act but shall be subject to all other  provisions of the Act  (however,  see
the Notes).


                                Page 1 of 6 Pages





                                       13G
====================
 CUSIP No. 959425109
====================

-------------===================================================================
     1       NAMES OF REPORTING PERSONS
             I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY)

             OZ Management, L.L.C.
-------------===================================================================
     2       CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (See Instructions)
                                                                     (a) [   ]

                                                                     (b) [ X ]
-------------===================================================================
     3       SEC USE ONLY

-------------===================================================================
     4       CITIZENSHIP OR PLACE OF ORGANIZATION

             Delaware
------------------------------------============================================
       NUMBER OF            5       SOLE VOTING POWER

        SHARES                      -0- Shares
                         -----------============================================
     BENEFICIALLY           6       SHARED VOTING POWER

       OWNED BY                     -0-
                         -----------============================================
         EACH               7       SOLE DISPOSITIVE POWER

       REPORTING                    -0- Shares
                         -----------============================================
      PERSON WITH           8       SHARED DISPOSITIVE POWER

                                    -0-
------------------------------------============================================
     9       AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

             -0- Shares
-------------===================================================================
     10      CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES
             CERTAIN SHARES (See Instructions)
                                                                         [   ]
-------------===================================================================
     11      PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)

             0.0. %
-------------===================================================================
    12      TYPE OF REPORTING PERSON (See Instructions)

             OO, IA

-------------===================================================================


                                Page 2 of 6 Pages





                                       13G
====================
 CUSIP No. 959425109
====================

-------------===================================================================
     1       NAMES OF REPORTING PERSONS
             I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY)

             Daniel S. Och
-------------===================================================================
     2       CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (See Instructions)
                                                                     (a) [   ]

                                                                     (b) [ X ]
-------------===================================================================
     3       SEC USE ONLY

-------------===================================================================
     4       CITIZENSHIP OR PLACE OF ORGANIZATION

             United States
------------------------------------============================================
       NUMBER OF            5       SOLE VOTING POWER

        SHARES                      -0- Shares
                         -----------============================================
     BENEFICIALLY           6       SHARED VOTING POWER

       OWNED BY                     -0-
                         -----------============================================
         EACH               7       SOLE DISPOSITIVE POWER

       REPORTING                    -0- Shares
                         -----------============================================
      PERSON WITH           8       SHARED DISPOSITIVE POWER

                                    -0-
------------------------------------============================================
     9       AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

             -0- Shares
-------------===================================================================
     10      CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES
             CERTAIN SHARES (See Instructions)
                                                                         [   ]
-------------===================================================================
     11      PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)

             0.0 %
-------------===================================================================
     12      TYPE OF REPORTING PERSON (See Instructions)

             IN
-------------===================================================================



                                Page 3 of 6 Pages





Item 1.  Issuer

         (a)      Name of Issuer:
                  ---------------

                  Western Resources, Inc. (the "Company")

         (b)      Address of Issuer's Principal Executive Offices:
                  ------------------------------------------------

                  818 Kansas Avenue, Topeka, Kansas 66612

Item 2.  Identity And Background.
         -----------------------

         Title Of Class Of Securities And CUSIP Number (Item 2(d) and (e))
         ----------------------------------------------------------------

          This statement relates to Shares of Western Resources, Inc., par value
          $5.00 per share (the"Shares") of the Company.  The CUSIP number of the
          Shares is 959425109.

         Item 2(a)  Name of Persons Filing:
         ---------------------------------

          This   statement  is  filed  by  (i)  OZ   Management,   L.L.C.   ("OZ
          Management"),  a Delaware limited liability  company,  with respect to
          the Shares  held by certain  accounts  managed by OZ  Management  (the
          "Managed  Accounts") and (ii) Daniel S. Och, Senior Managing Member of
          OZ  Management,  with  respect  to the  Shares  held  by  the  Managed
          Accounts.

         Item 2(b)  Address Of Principal Business Office:
         ------------------------------------------------

          The address of the principal  business  office of OZ Management and of
          Mr. Och is 9 West 57th Street, 39th Floor, New York, New York, 10019.

         Item 2(c)  Citizenship:
         ----------------------

          The  citizenship  of OZ  Management  is set forth above.  Mr. Och is a
          United States citizen.

Item 3.   If This Statement Is Filed Pursuant To Sections 240.13d-1(b) or
          ---------------------------------------------------------------
          240.13d-2(b) or (c), Check Whether The Person Filing Is An Entity
          -----------------------------------------------------------------
          Specified in (a) - (j):
          ----------------------

                  Not Applicable.

                  If This Statement Is Filed Pursuant To Section 240.13d-1(c),
                  ------------------------------------------------------------
                  Check This Box. [X]
                  --------------

Item 4.  Ownership
         ---------

         See cover page for the Reporting Persons.

          OZ Management serves as investment manager to the Managed Accounts and
          has voting and dispositive authority over the securities held by them,
          as  reported  in this  Schedule  13G.  Mr. Och is the Senior  Managing
          Member of OZ Management. As such, he may be


                                Page 4 of 6 Pages





          deemed  to be the  beneficial  owner  of the  securities  held  by the
          Managed Accounts,  as reported in this Schedule 13G. OZ Management and
          Mr. Och hereby disclaim beneficial ownership of any such Shares.

Item 5.  Ownership Of Five Percent Or Less Of A Class
         --------------------------------------------

                  If this statement is being filed to report the fact that as of
                  the date hereof the Reporting Persons have ceased to be the
                  deemed beneficial owner of more than five percent of the class
                  of securities, check the following [ X ].

Item 6.  Ownership Of More Than Five Percent On Behalf Of Another Person
         ---------------------------------------------------------------

                  Not Applicable.

Item 7.  Identification And Classification Of The Subsidiary Which Acquired
         ------------------------------------------------------------------
         The Security Being Reported On By The Parent Holding Company
         ------------------------------------------------------------

                  Not Applicable.

Item 8.  Identification And Classification Of Members Of The Group
         ---------------------------------------------------------

                  Not Applicable.

Item 9.  Notice Of Dissolution Of Group
         ------------------------------

                  Not Applicable.

Item 10.  Certification
          --------------

               By signing  below I certify that, to the best of my knowledge and
          belief, the securities referred to above were not acquired and are not
          held for the purpose of or with the effect of changing or  influencing
          the control of the issuer of the  securities and were not acquired and
          are not held in connection with or as a participant in any transaction
          having that purpose or effect.






                                Page 5 of 6 Pages




                                   SIGNATURES


     After reasonable  inquiry and to the best of our knowledge and belief,  the
undersigned  certify that the  information  set forth in this statement is true,
complete and correct.

Dated:  February 1, 2002


                             /s/  Daniel S. Och
                             ----------------------------------------
                             OZ MANAGEMENT, L.L.C.
                             By Daniel S. Och
                             Senior Managing Member



                             /s/  Daniel S. Och
                             ----------------------------------------
                             Daniel S. Och




                                Page 6 of 6 Pages