Police and other emergency services are at the scene of a serious road collision on the M11 near Harlow.
Officers were called at about 3.30pm today (July 10) following reports of a crash involving a lorry and several cars which has blocked the southbound carriageway between Junctions 7 and 6.
The northbound carriageway is also being closed for the arrival of an air ambulance.
Drivers are being advised to avoid the area for the next few hours.
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