Breaking: London under terrorist attack

— One woman is dead after a car plowed into a crowd of people on Westminster Bridge in London on Wednesday afternoon.As many as 10 others were injured, according to the London Ambulance Service.

Some are said to have suffered “catastrophic” injuries, the U.K. Press Association reports.

A suspect was shot outside the Houses of Parliament after reportedly stabbing a police officer.

Eyewitnesses reported seeing a person with a knife within the grounds of the palace of Westminster.

Parliament was placed on lockdown, according to a parliamentary official.

British police are treating the incident as terrorism, and a full counterterrorism investigation is under way.