A crash between a car and a van on the M25 this morning is causing big delays.

This is believed to have happened in the last hour on Junction 4 (Orpington) clockwise on the M25 by the exit slip road.

The severity of the incident is said to be high.

The slip road to the roundabout is partially blocked and traffic is queuing.

A spokesman for Kent Police said:  "We were called at 7.27am to a report of a collision involving two vehicles at junction 4 on the clockwise junction of the M25.

"Officers attended along with South East Coast Ambulance Service and one person was treated for minor injuries."