Police identify British-born attacker

Two 'significant' arrests made as fourth victim dies from injuries

The man who killed four people in a terrorist attack on the British Parliament on Wednesday was a convert to Islam who had spent several spells in jail for criminal activity, police said.

Khalid Masood, 52, was born Adrian Russell Ajao and was convicted of several crimes between 1983 and 2003. It is not clear when he converted to Islam.