M25 and A12 intersection closure after collision involving lorry
17:56 25 June 2013
The M25 and A12 intersection on the Essex and London border has been closed after a serious collision involving a lorry.
It happened on the southbound carriageway of the A12 near Brook Street, Brentwood, just before 4pm today.
Officers said the lorry driver appeared to lose control of the vehicle and hit the central reservation.
No other vehicle is believed to be involved and paramedics are currently at the scene treating a man.
An air ambulance was at the scene and caused the temporary closure of the northbound carriageway.
This is currently affecting traffic leaving the M25 onto the Essex part of the northbound A12 and those entering Essex on the A12 from London.
The southbound carriageway from junction 12 Mountnessing has been closed and motorists are being diverted off the dual carriageway.
It is expected to be in place throughout the rush hour.