Continental flight grounded over security concerns = = = = Sunday February 1, 7:56 PM EST = WASHINGTON, Feb 1 (Reuters) - Continental Airlines canceled a flight on S= unday from Washington to Houston, site of the Super Bowl, because of secu= rity concerns although the government said there was no sign of a threat = to the football championship. A Homeland Security spokeswoman said the airline canceled the flight afte= r the department recommended security measures in light of an unspecified= threat. She said there was no intelligence suggesting a threat to the NF= L Super Bowl. "The threat to this flight was similar to the type of information we had = about the British Airways and Air France flights," the spokeswoman said, = without elaborating. Continental, British Airways and Air France on Saturday canceled several = transatlantic flights scheduled for Sunday and Monday, citing security co= ncerns amid reports suggesting that al Qaeda may be planning a biological= or chemical attack on an aircraft. = Continental Flight 1519 had been scheduled to depart from Dulles Internat= ional Airport in suburban Washington at 5:44 p.m. bound for Houston, site= of the NFL Super Bowl game. "Flight 1519 was canceled because we were unable to obtain security clear= ance for the flight from the Department of Homeland Security," Continenta= l spokesman David Messing said. Among the flights canceled over the weekend were Continental's Sunday fli= ght from Glasgow to Newark and an Air France flight from Paris to Washing= ton Sunday and Monday. Sunday's British Airways Flight 207 flight from Lo= ndon to Miami was also canceled, as well as a London-Washington flight gr= ounded several times in January. = =A92003 Reuters Limited. = Roger EWROPS