THE M23 and a section of the M25 were closed in both directions after a horror crash involving three cars killed a motorcyclist this afternoon.

Police and Highways England officers closed the motorways after the crash between junction 8 for the M25 and junction 9 near Gatwick Airport at 2pm.

Despite the efforts of paramedics and an air ambulance a motorbike rider was declared dead at the scene after being thrown from his bike in the crash.

People remain trapped in the traffic on the M23 and the M25 whilst Police and Highways work to turn vehicle away from the incident.

Highways England said motorists caught within the closure will be ‘cleared by u-turning from the back of the queue, as soon as possible'.

The Argus:

It said: "There is a large volume of traffic to be cleared.

"We appreciate your patience whilst this is done."

The M23 remains closed in both directions between junctions eight and nine and the southbound carriageway is expected to remain closed for some time as officers investigate the scene.

A diversion route is in place for southbound drivers with a ‘Hollow Diamond’ symbol being used to guide them.

>> SEE ALSO: M23 near Gatwick closed after serious crash involving bike

Traffic should travel on the M25 clockwise to junction six (A22), then take the A22 southbound for just under 9 miles to the junction with the A264 Drivers should then turn right onto the A264 and continue for just under 5 miles, to M23 J10.

Northbound traffic should follow the 'Solid Square' diversion symbol symbol heading to junction 10 of the M23 and exit.

Drivers should then take the A264 northbound for 5 miles to the junction with the A264. Turn left on to the A22 and head north for 9 miles to J6 of the M25.