4 dead, including attacker, in car rampage, knife attack in London

Last Updated Mar 22, 2017 11:38 AM EDT
LONDON — A knife-wielding man went on a deadly rampage at the heart of Britain’s seat of power Wednesday, mowing down pedestrians on London’s Westminster Bridge before stabbing an armed police officer to death inside the gates of Parliament.
Four people were killed, including the attacker, and at least 20 people were injured, police said.
Lawmakers, lords, staff and visitors were locked down as the man was shot by police within the perimet