Passengers and crew of a British Airways flight who were taken hostage in Kuwait in 1990 have launched legal action against the UK government and the airline, a law firm said Monday. People on BA flight 149 were taken off the Kuala Lumpur-bound plane when it landed in the Gulf state on August 2 that year, hours after Iraq’s then leaderSaddam Hussein invaded the country. Some of the 367 passengers and crew spent more than four months in captivity, including as human shields against Western attacks on the Iraqi dictator’s troops during the first Gulf war. Ninety-four of them have filed a civil c…