LONDON - Britain raised the country's terror threat level from substantial to severe on Aug. 29, meaning that a terrorist attack is considered.
Associated Press: Britain raises terror threat level to severe
A Union flag is pictured in front of Big Ben at the Houses of Parliament in central London on April 17, 2013. Prime Minister David Cameron says he'll introduce new laws to combat terror suspects, pledging to seize passports to fight what he described as an extremist threat more dangerous than any previously seen.
