Two dead, others injured in UK parliament 'terrorist incident'

By Toby Melville and William JamesLONDON (Reuters) - An assailant stabbed a policeman and was shot by police just outside Britain's parliament building in London on Wednesday in what police described as a "terrorist incident".Amid confusing scenes, it appeared the incident may have unfolded in several locations, including on the nearby Westminster bridge where eyewitnesses said a car had crashed into pedestrians.Two people died in the incident, according to Sky News, but the total number of casu