A man has reportedly jumped into the River Thames from Westminster Bridge sparking a desperate rescue mission by police and lifeboat crews.
Police were called to the scene just before 8pm following reports of a man jumping into the water.
Met Police tweeted: "Police were called to Westminster Bridge at 7.52pm to reports of a man with a cut hand.
"It was also reported that a man had jumped into the River Thames from Westminster Bridge. A search is ongoing to locate this man.
"The incident is not being treated as terror-related."
The London Fire Brigade tweeted: "Firefighters are assisting police at the incident on #Westminster Bridge.
"A systematic search of the river is being carried out due to reports of a person in the water
A video shot by a passer-by shows fire engines and police cars parked on Westminster Bridge with their blue lights flashing.
Other passers-by have tweeted about the bridge being closed.
One man said: "Just walked out of a restaurant by London eye to a ridiculously heavy police/fire/ambulance presence on and around Westminster bridge and on the Thames. Something bad appears to have happened.
"Hoping nothing serious."
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