P165 CEEFAX 165 Thu 29 Feb 19:15/17       WORLD  MAJOR: INFLATION "UNDER LOCK AND KEY" Britain has inflation "securely under lock and key" for the first time in 50 years, the Prime Minister has told a meeting of Thai businessmen. Inflation could drop below 2.5% bz the beginning of 1997, John Major said. Mr Major, who is in Bangkok for an economic summit of European and Asian leaders, said the US had also seen "reasonable decline" in unemployment. Earlier, hj said The Queen was to make a state visit to Thailand in the autumn Summary 102 Home 110 Politics 130 Flash 150 World 160 Dispatches 190 Next News World Politics Sport