In the attack outside the British Parliament, the UK Defence secretary has said that the link of terrorist could go to the ISIS.
It has been reported that the attack, which killed five people including on police officers, happened on Wednesday.
In the counter attack, police and other security agencies successfully managed to kill the attackers.
Soon, the investigating agencies came into action and started raiding every doubtful place. As of now, six homes have been raided and eight people are arrested.
Meanwhile, the defense secretary of UK, Michael Fallon, has said that there is strong assumption that the attack was related to the ISIS.