SmithKline Beckman shareholders voted overwhelmingly to approve...

SmithKline Beckman shareholders voted overwhelmingly to approve a merger with Beecham Group PLC of London, creating the world’s second-largest pharmaceutical company . . . Thomson McKinnon Inc., the financial services firm, has shut down its London office and has laid off about 200 of the 1,500 employees at its New York headquarters, a spokesman said . . . In Boston, U.S. District Judge Edward F. Harrington temporarily blocked a hostile $305-million takeover bid for Dunkin’ Donuts, saying the Canadian bidders failed to disclose prior securities law violations