London attack: 5 dead, 40 injured in ‘terrorist’ incident on Westminster Bridge

Five people were killed and 40 others injured after an attacker plowed a car into a crowd of people on Westminster Bridge in London on Wednesday afternoon in what U.K. officials are investigating as an act of terrorism.

What we know so far:

• The attack began around 2:30 p.m. local time, when the car struck pedestrians on the bridge before crashing into a gate outside the Houses of Parliament.

• The knife-wielding suspect driving the car was shot after stabbing a police officer guarding the building.

• Both the officer and assailant died at the scene, officials said.

• Some of the 40 wounded on the bridge are said to have suffered “catastrophic” injuries.

• Parliament was placed on lockdown for several hours.

• British police are treating the incident as terrorism.

• Officials said they believe the attack was carried out by a lone individual.

• The suspect has yet to be publicly identified.

• A full counterterrorism investigation is under way.

• London Mayor Sadiq Khan released a video statement condemning the attack.

• “Londoners will never be cowed by terrorism,” Khan said.

See a recap of the attack and its aftermath in the live blog below, and tune in Thursday morning for more live updates from London.