JWT Group met with its British suitor.

The parent of J. Walter Thompson advertising agency met with WPP Group to discuss the London-based marketing firm’s $50.50-a-share merger offer for JWT. A WPP spokesman said the discussions will continue. Salomon Bros., the New York investment firm, and MCA Inc., the Los Angeles entertainment company, were also said to have held discussions with JWT’s investment bankers, Morgan Stanley. New York-based JWT is also the parent of Hill & Knowlton public relations firm.