A major security alert is under way at the Houses of Parliament after a man was shot by police as he tried to gain entry to the Palace of Westminster.
Witnesses described seeing a car crash into the perimeter fence on Westminster Bridge, hitting pedestrians, before the driver ran towards police officers guarding parliament.
Onlookers said a man armed with a knife had attacked police officers at the gate before being shot.
At least three shots were heard and people described seeing two people laid on the ground.
Minutes after the incident an emergency helicopter landed in Parliament Square as sirens were heard ouside. Air ambulance medics ran from the helicpter rowards the casualities on the ground.
There were reports that multiple people had been injured.
Staff inside Westminster were told to stay in their offices and the Prime Minsister was reportedly bundled away from parliament.
Register for free to join our community of investors and share your ideas. You will also get access to streaming quotes, interactive charts, trades, portfolio, live options flow and more tools.