London Bridge closed due to 'serious police incident'
Emergency services are at the scene of the incident in the centre of the capital.
London Bridge has been closed due to a "police incident".
There are reports of pedestrians being hit by a van.
Onlookers posted pictures of huge traffic queues and armed police at the scene.
London Bridge station has been closed while the police deal with the incident.
TFL said the bridge is closed in both direction due to a "serious road traffic incident".
More to follow.