GB stands united following the attacks in London – “We have strength in unity” says police chief
Four dead so far; includes police officer, killed in the line of duty, The attacker who was hunted down by armed police from the City of London
Hundreds of people were evacuated from Parliament to Westminster Abbey
Two other people have died and at least 20 others are injured after the attacker drove into them in a car on Westminster Bridge
Metropolitan Police say they are treating it as a terrorist incident and buildings are in lockdown
Four people have died and at least 20 people were injured in the attack
The strength and efficiency of the police force is reassuring and clear to see; immediate response and minimal casualties
The Muslim Council of Britain has issued a statement on the attack, which has not yet been claimed by any group.
Get all the latest reports
Westminster attack – latest updates Live video link BBC News
Please note: that some of the social media pictures are disturbing.