A man has suffered potentially life threatening injuries after a serious crash on the A13.

The incident took place on the eastbound carriageway between Ferry Lane in Rainham and the Wennington Interchange with police being called at 9.58am this morning.

The road is closed and the air ambulance was spotted on scene.

A spokesman for the Metropolitan Police said: "A vehicle is believed to have left the motorway and gone into a ditch.

"A male has been taken to hospital. His injuries may be life-threatening.

"Three other people sustained minor injuries.

"They are all believed to have been in the same vehicle.

"Enquiries into the circumstances continue.

"Road closures are in place.

!Drivers are advised to use alternative routes as significant disruption is expected."