Four people were killed and at least 20 injured after a car plowed into pedestrians and an attacker stabbed a policeman, in what police called a terrorist incident.
A woman assists an injured person after an incident on Westminster Bridge in London, Britain. REUTERS/Toby Melville
A woman lies injured after an incident on Westminster Bridge in London. REUTERS/Toby Melville
Paramedics treat an injured person after an incident on Westminster Bridge in London, Britain. REUTERS/Toby Melville
Injured people are assisted after an incident on Westminster Bridge in London, Britain. REUTERS/Toby Melville
Armed police respond outside Parliament during an incident on Westminster Bridge in London, Britain. REUTERS/Stefan Wermuth
Injured people are assisted after an incident on Westminster Bridge in London, Britain. REUTERS/Toby Melville
A woman lies injured after an incident on Westminster Bridge in London, Britain. REUTERS/Toby Melville
Armed police respond outside Parliament during an incident on Westminster Bridge in London, Britain. REUTERS/Stefan Wermuth
A man lies injured after an incident on Westminster Bridge in London, Britain. REUTERS/Toby Melville
A woman ducks under a police tape after an incident on Westminster Bridge in London, Britain. REUTERS/Toby Melville
An armed police officer assists a woman after an incident on Westminster Bridge in London, Britain. REUTERS/Toby Melville
Injured people are assisted after an incident on Westminster Bridge in London, Britain. REUTERS/Toby Melville
An injured person is assisted after an incident on Westminster Bridge in London, Britain. REUTERS/Toby Melville
Injured people are assisted after an incident on Westminster Bridge in London, Britain. REUTERS/Toby Melville
Police assist bystanders during an incident on Westminster Bridge in London, Britain. REUTERS/Stefan Wermuth
An air ambulance lands in Parliament Square during an incident on Westminster Bridge in London, Britain. REUTERS/Stefan Wermuth
Forensics investigators work at the scene after an attack on Westminster Bridge in London, Britain. REUTERS/Hannah McKay
Members of the emergency services take an injured person away on a stretcher after an incident on Westminster Bridge in London, Britain.
Source: REUTERS