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               SECURITIES AND EXCHANGE COMMISSION
                     WASHINGTON, D.C. 20549
                                
                         SCHEDULE 14D-1
                                
                                
                       (Amendment No. 1)
                                
                                
                     Tender Offer Statement
(Pursuant to Section 14(d)(1) of the Securities Exchange Act of 1934)
                                
                                
                          ADT Limited
                   (Name of Subject Company)
                                
                    Western Resources, Inc.
                      Westar Capital, Inc.
                           (Bidders)
                                
            Common Stock, Par Value $0.10 Per Share
                 (Title of Class of Securities)
                                
                           000915108
             (CUSIP Number of Class of Securities)
                                
                       John K. Rosenberg
          Executive Vice President and General Counsel
                    Western Resources, Inc.
                       818 Kansas Avenue
                      Topeka, Kansas 66612
                     Phone:  (913) 575-6300
                                
         (Name, Address and Telephone Number of Person
        Authorized to Receive Notices and Communications
                     on Behalf of Bidders)
                                
                                
                                
                                
                            Copy to:
                                
                        Neil T. Anderson
                      Sullivan & Cromwell
                        125 Broad Street
                    New York, New York 10004
                         (212) 558-4000
                                
                                
                                
                                
                                
This Amendment No.1 amends and supplements the Tender Offer Statement on
Schedule 14D-1 (the "Schedule 14D-1"), originally filed by Western Resources,
Inc., a Kansas corporation ("Western Resources"), on March 17, 1997 relating
to the exchange offer disclosed therein to exchange all of the outstanding
Shares for shares of Western Resources Common Stock upon the terms and subject
to the conditions set forth in the Prospectus, dated March 14, 1997, and the
related Letter of Transmittal.  Capitalized terms used and not defined herein
shall have the meanings set forth in the Schedule 14D-1.


Item 11.  Material to be Filed as Exhibits.

     Item 11 is hereby amended and supplemented by adding thereto the
following:

(a)(1)      Employee update and press release issued on March 18,
          1997.
                            SIGNATURE

     After due inquiry and to the best of my knowledge and belief, I certify
that the information set forth in this statement is true, complete and
correct.


                                                WESTERN RESOURCES, INC.

Date       March 18, 1997                       By   /s/ JERRY D. COURINGTON  
                                                         Jerry D. Courington,
                                                         Controller

                        INDEX TO EXHIBITS


                                                                  Sequentially
                                                                    Numbered
Exhibit No.                     Description                           Pages   

(a)(1)         Employee update and press release                 1
               issued on March 18, 1997.



                                        Exhibit No. (a)(1)

The following employee update and press release was issued by Western
Resources, Inc. on March 18, 1997:

     WESTERN RESOURCES CONSIDERING ALTERNATIVES 
     TO TYCO OFFER AND RIGHTS AS ADT SHAREOWNER
     
     WESTERN RESOURCES MAILS OFFER 
     TO ADT SHAREOWNERS
     
        TOPEKA, Kansas, March 18, 1997 (7:00 am CST) -- Western Resources 
     (NYSE:WR) announced today that it has mailed the details of its offer 
     to acquire ADT Limited, to the ADT shareowners.  
        In response to questions yesterday concerning the announcement of a 
     proposal by Tyco International Ltd. to merge with ADT, Western 
     Resources chairman and chief executive officer, John E. Hayes, Jr., 
     said, "Over the next few days we will be reviewing the Tyco offer.  We 
     are also considering our alternatives to the offer and assessing our 
     rights as ADT shareowners."
        Western Resources has scheduled a special meeting of its 
     shareowners for April 24, 1997, to consider the ADT acquisition.  ADT 
     has scheduled a meeting of its shareowners on the Western Resources 
     proposal for July 8, 1997, but Western Resources has asked a federal 
     district court in Florida to order that meeting held sooner. 
     
     - 30 -
     
     
        Western Resources (NYSE:WR) is a full-service, diversified energy 
     company with total assets of more than $6 billion. Its utilities, KPL 
     and KGE, operating in Kansas and Oklahoma, provide natural gas service 
     to approximately 650,000 customers and electric service to 
     approximately 600,000 customers. Through its unregulated subsidiaries, 
     Westar Energy, Westar Security, Westar Capital, and The Wing Group, a 
     full range of energy, security and related products and services are 
     developed and marketed in the continental U.S., and offshore.
        For more information about Western Resources and its operating 
     companies, visit us on the Internet at http://www.wstnres.com.
     
        This news release/employee update is neither an offer nor an exchange  
    nor a solicitation of an offer to exchange shares of common stock of  
     ADT Limited. Such offer is made solely by the Prospectus dated March 14, 
     1997, and the related Letter of Transmittal, and is not being made to, 
     nor will tenders be accepted from or on behalf of, holders of shares of 
     common stock of ADT Limited in any jurisdiction in which the making of 
     such offer or the acceptance thereof would not be in compliance with the 
     laws of such jurisdiction. In any jurisdictions where securities, blue 
     sky or other laws require such offer to be made by a licensed broker or 
     dealer, such offer shall be deemed to be made on behalf of Western 
     Resources, Inc. by Salomon Brothers Inc; Bear, Stearns & Co. Inc; and 
     Chase Securities Inc, or one or more registered brokers or dealers 
     licensed under the laws of such jurisdiction.