THE FIRST COVERAGE FROM THE MOMENT THE NEWS BROKE. Parliament is in lockdown after reports of an attack at Westminster -- vehicle has mowed .
A knife attacker has been shot after a car mowed down pedestrians on Westminster Bridge and charged the gates of parliament, in what police are treating as a .
Attacker who reportedly stabbed an officer is shot by police, car seen running down pedestrians on Westminster Bridge To read more: .
Brought to you by Desert Diamond: LONDON (AP) -- A knife-wielding man went on a deadly rampage in the heart of Britains seat of power .
