British police arrested a man on suspicion of terrorism offences on Tuesday after he drove a car into security barriers outside parliament and injured at least two people.
London's Metropolitan Police said the incident, the latest apparent attack on Britain in the last 18 months, was being treated as a terrorism incident and its Counter Terrorism Command unit was in charge of the investigation.
Police said a silver Ford Fiesta had collided with a number of cyclists and pedestrians before crashing into barriers outside the Houses of Parliament at 0637 GMT.
"The driver of the car, a man in his