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                            SCHEDULE 14A INFORMATION
 
                  Proxy Statement Pursuant to Section 14(a) of 
                      the Securities Exchange Act of 1934
 
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    /X/  Soliciting  Material  Pursuant  to Rule 14a-11(c) or
         or Rule 14a-12
 
                         ADT LIMITED
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                (Name of Registrant as Specified In Its Charter) 
 
                    WESTERN RESOURCES, INC.
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                   (Name of Person(s) Filing Proxy Statement) 
 
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Set forth the amount on which the filing fee is calculated and state how it
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The following news release/employee update was issued by Western Resources,
Inc. on or about June 17, 1997:

                WESTERN RESOURCES EXTENDS EXPIRATION DATE 
                 FOR ADT EXCHANGE OFFER TO JULY 8, 1997
     
     TOPEKA, Kansas, June 17, 1997 (5:00 pm CDT) -- Western Resources
announced today that it is extending the expiration date of its exchange offer
for all of the outstanding common shares of ADT Limited to July 8, 1997. As of
5 p.m. EDT on June 17, 1997, 1,360,348 common shares of ADT had been tendered
to Western Resources. 

     
     Western Resources (NYSE:WR) is a full-service, diversified security and
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. Western Resources, through its subsidiary, Westar Security, also is
the third-largest monitored security provider in the country, operating in 46
states in the U.S. Through its other subsidiaries, Westar Energy, Westar
Capital, and The Wing Group, a full range of energy and energy-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.