Two people were killed in the attack and three others were injured before khan was shot dead by police. The queen has sent her thoughts, prayers and deepest sympathies to all those who have lost loved ones. Our Home Affairs Correspondent sarah corker reports. Please search our property close to safford town centre this morning thought to be linked to the attacker. This man, usman khan, 28 yea rs attacker. This man, usman khan, 28 years old, a convicted terrorist out on licence. The attack started at fishmongers hall close to London Bridge. Usman khan had been invited toa criminal bridge. Usman khan had been invited to a criminaljustice event run by cambridge university. Mobile phone footage shows what happened next. He is pinned to the ground on the bridge. Some of those intervening where prisoners on day release who had been at the same event. Including 42 year old james ford, a convicted murderer who helped to chase the attacker. The knife is then taken off him. Police arrived within