Daily Mail: Parliament in lockdown: Police open fire outside Westminster and shoot knife-wielding man amid reports of explosion and 'at least 12 pedestrians mowed down on bridge'
* Several shots have been fired at the House of Commons in Westminster
* At least three people have been hit and emergency teams are on the scene
* Reports aslo suggest a car ploughed into pedestrians on Westminster Bridge
* The Prime Minister has been evacuated and staff told to stay inside
Armed Police have opened fire and shot an intruder inside the grounds of the Houses of Parliament amid reports a car drove into pedestrians on Westminster Bridge.
Several shots were fired at around 2.35pm moments after a loud bang was heard near the grounds of Parliament.
Three bodies were visible on the floor outside Parliament and the Palace was placed on an immediate lock down.
Others were seen lying in the road on Westminster Bridge, where reports suggest around six people were knocked down by a car.
Prime Minister Theresa May is said to have been bundled into a car by a plain-clothes police officer and driven quickly from the scene.
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More News On Today's Attack Outside The U.K. Parliament
The Latest: Police treating UK parliament attack as terror -- AP
UK parliament incident: Live Updates -- Reuters
Parliament attack: man shot after police officer stabbed at House of Commons - Politics live -- The Guardian
London Parliament shooting - live blog: latest updates after one person shot outside Commons -- The Independent
Parliament shooting: Armed man 'shot dead by police' after 'driving into pedestrians' in Westminster -- The Telegraph
Westminster attack: man shot by police and several hurt in 'terrorist incident' -- The Guardian
Assailant shot, policeman stabbed and several injured in UK parliament incident -- Reuters
At least a dozen injured near UK parliament: Reuters photographer (Reuters)
Police officer 'stabbed at UK Parliament' (BBC)
UK minister: Alleged assailant shot by police at Parliament (AP)
UK Parliament in lockdown after reports of shooting (AP)