Deadly attacks in Britain in recent years:

■ July 7, 2005: Four young British Muslims detonated bombs in rucksacks on three underground trains and a bus during the morning rush hour, killing themselves and 52 others and wounding about 700. It was the first suicide bombing by Islamist militants in Western Europe.

■ May 22, 2013: Two men drove a car into a British soldier as he crossed a street in broad daylight in southeast London before killing him with a cleaver and knives. Cellphone video taken moments later showed one of the attackers ranting while holding knives in his blood-soaked hands.

■ June 16, 2016: A man killed lawmaker Jo Cox, shooting her with a sawed-off rifle and repeatedly stabbing her with a dagger on a street in her northern district a week before the EU referendum.

■ March 22, 2017: A man stabbed a policeman near Parliament in London after plowing a car into pedestrians on Westminster Bridge in what police called a “marauding terrorist attack.” Six people died, including the assailant and the policeman, and at least 20 were injured.

■ May 22, 2017: A suicide bomber struck at the Manchester Arena as fans were leaving an Ariana Grande concert. The blast killed 22 children and adults and wounded 59.

■ June 3, 2017: Three men rammed a van into pedestrians on London Bridge, then stabbed people in nearby bars, killing eight and injuring at least 48 before police shot all three dead. ISIS claimed responsibility.

■ June 19, 2017: A British man drove a van into worshippers outside a London mosque, killing one and injuring many more. Convicted of murder, the man said at trial that he had tried to kill as many as possible.