The Islamic State has claimed responsibility for the attack., which the British Prime Minister Theresa May described as 'sick and depraved'. Photograph: (Reuters)
Victim death toll mounts to four in one of the worst terrorist attacks in London in over a decade
Another person, who was injured in Wednesday's terrorist attack outside the UK Parliament, has died, police said on Thursday.
The victim was a 75-year-old man, the police said.
With his death, the total number of victims who have died has reached four.
On Wednesday, London was struck by a terror attack. The attacker, who has been identified as British-born Khalid Masood, was killed by the police outside the UK parliament after he stabbed a policeman to death.
The Islamic State has claimed responsibility for the attack, which the British Prime Minister Theresa May described as "sick and depraved".
(WION with inputs from Reuters)