A lane has been opened on a motorway after a lorry overturned following a crash.

Traffic had initially come to a standstill following the crash on the M40 just before 6.55am.

An ambulance has been reported at the scene.

Lanes 2 and 3 now remain closed as emergency crews await recovery for the overturned lorry.

Highways England estimate that approximately 2.7 miles of congestion are expected throughout the morning rush as a result.