Motorists are facing long delays on the A13 this afternoon due to a crash. 

Four vehicles are said to have been involved in the incident, which happened just after the Five Bells interchange. 

The Londonbound carriageway is blocked as a result.

Long queues have formed in both directions. 

Londonbound traffic is queuebing back to the Pitsea bypass, while Southend-bound queues strecth back to Stanford le Hope.

First Essex is reporting delays to some services as a result of the collision. 

More to follow