This is what we know so far about the attack on Westminster Bridge and the Palace of Westminster.
UK & World News
Armed police have raided a home and closed off several roads in Birmingham.
A child sex offence is recorded by police every 10 minutes in the UK, according to the NSPCC.
Former US president Bill Clinton and ex-Northern Ireland first minister Peter Robinson are expected to join thousands of mourners at the funeral of Martin McGuinness in his native Derry.
Eyewitnesses have described scenes of horror when a terrorist drove his car at high-speed into pedestrians on Westminster Bridge before crashing his car into railings outside Parliament and then fa
An unarmed police officer who was among three people killed by a terrorist in Westminster has been named as PC Keith Palmer.
Theresa May has condemned the "sick and depraved" attack on London in which three people were killed by an attacker, who was shot dead by police.
A carving knife. A car. An ideology twisted into madness itself and vanity. These are the ingredients that make for the perfect terrorist.
Social media users around the world have united in a show of support for the people of Britain following the terror attack in London.
The image of foreign minister Tobias Ellwood, face bloodied, fighting to save the life of murdered policeman Keith Palmer will come to define the moment terror struck at the heart of London.
This picture shows the suspected Westminster attacker being treated by medics after being shot by a police officer.
Additional armed police officers are being deployed on the streets of London as people are warned to remain vigilant.
Witnesses have described the moment a terrorist fatally stabbed a police officer with a "big knife" at Westminster.
Two people have died in the Westminster attack, Sky sources say, while several of those hurt have "catastrophic" injuries.
A witness described seeing around 8-10 people lying on the ground on Westminster Bridge after they were hit by a car driven by a suspected terrorist.
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