A crash has caused delays on the A12 southbound carriageway this morning. 

The incident took place near Witham, leaving the stretch of the road between the J22, Witham Nord, and J21, Witham South, partially blocked. 

Delays have been reported and congestion reaches up to Kelvedon, as the AA traffic map shows. 

According to the traffic monitoring, the road was blocked for around 20 minutes after the incident at around 6am, but queues are still in place.