Police have rushed to Westminster Bridge with the road closed off following an “incident”.
Pictures posted on social media showed police on the scene.
One wrote: “Westminster Bridge closed with lots of police activity on the bridge and in the river”.
JambusterLondon added on Twitter: “A302 Westminster Bridge (SE1) (Both Directions) – The road has been closed due to a police incident. Use alternative route. Expect delays.”
This is a breaking story…more to follow