IS claims responsibility for London terror attack

British-born Khalid Masood identified as attacker

The Islamic State (IS) claimed responsibility on Thursday for the deadly attack outside the British Parliament, as Prime Minister Theresa May described the assailant as a British-born man whom the country’s domestic intelligence agency had investigated for connections to violent extremism.

The London police identified him on Thursday afternoon as Khalid Masood, 52, who had a long criminal history but no terrorism convictions. He had been living recently around Birmingham, England, where the vehicle used in the attack was rented. The police released few other details about him.

Hours earlier, addressing lawmakers who only a day earlier had been under lockdown, May