Police and air ambulance are responding to a serious crash on the M11, with both lanes closed  and motorists facing delays of 45 minutes.

Initial reports from National Highways show that there is approximately 3 miles of congestion in both directions caused by a serious collision, causing 45 minute delays above normal travel time. 

The M11 northbound has been closed while the southbound route remains blocked. 

An Essex Police spokesman said: "We are currently on the scene of a serious collision on the M11. 

"Officers were called to the M11, between junction 6 and junction 7 near Harlow at around 11:45am this morning, March 9,  following reports of a single vehicle collision. 

"The air ambulance service were in attendance and a man has been taken to hospital with serious injuries.

"The northbound carriageway is currently closed between junction 6 and junction 7.

"The southbound carriageway re-opened around 1pm."