Isis has claimed responsibility for the attack in London in which four people were killed.
In a statement, issued via its Amaq news agency, a spokesperson said a ‘soldier of the Islamic state’ had carried out the attack – which caused the deaths of two civilians and a serving policeman.
The statement made no mention of direct involvement in the attack, but investigators believe that it was inspired by Islamist terrorism.
Isis is well known for claiming responsibility for terror attacks that it has not directly co-ordinated, but that are linked to its murderous ideology.
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In a statement, the terror group said: ‘The perpetrator of the attacks yesterday in front of the British parliament in London is an Islamic State soldier and he carried out the operation in response to calls to target citizens of the coalition.’
The attack, which killed four people, occurred yesterday afternoon when a lone attacker drove a car over Westminster Bridge and ploughed into a crowd of pedestrians.
The car then crashed into railings outside the Houses of Parliament, before the attacker left the car and ran to Parliament – where PC Keith Palmer, a 48-year-old married father, was fatally stabbed.
The attacker was subsequently shot dead by police.