In Pictures: Terror Attack Outside British Parliament In London
A woman assists an injured person after the incident on Westminster Bridge, next to the Houses of Parliament.
Armed police in central London
A gravely injured man lying next to the Thames after the incident
Injured people are assisted on Westminster Bridge.
An injured woman is helped by a passerby on Westminster Bridge.
A man lies injured on Westminster Bridge.
Houses of Parliament in central London during the incident
An armed policeman outside parliament
An air ambulance lands in Parliament Square following the incident.
An injured person is carried away on a stretcher.