HELICOPTER OVER PALACE OF WESTMINSTER AFTER TERROR ATTACK ON WESTMINSTER BRIDGE (1 Clips)
PHOTOGRAPHERS GATHER ON WESTMINSTER BRIDGE AFTER TERROR ATTACK (3 Clips)
POLICE LOCK DOWN EMBANKMENT DUE TO TERROR ATTACK ON WESTMINSTER BRIDGE (10 Clips)
POLICE SPEAK TO WITNESS INVOLVED IN TERROR ATTACK ON WESTMINSTER BRIDGE (1 Clips)