Or they could just be pissed off Brummies.British authorities were seeking three men after police defused a car bomb that they said could have caused “significant injury or loss of life” overnight in London. Late Friday, police discovered a second car carrying similar explosives, British and U.S. officials told NBC News.The three men are believed to be from the Birmingham area, a center of radical Islamic unrest in Britain, said U.S. officials who had been briefed on the developments.