Commuters are facing heavy traffic after a crash on the A13 involving multiple vehicles.

The incident, which took place at 6.30am close to Junction 29 of the M25, has left one lane out of four London-bound closed as police deal with the incident.

There has not yet been any confirmation of casualties.

Road users in the area have been warned expect delays of around 35 minutes, with motorists being advised to find alternative routes where possible.