Long delays on the A1 northbound at Colsterworth as air ambulance flies to incident
Severe delays are reported on the A1 northbound near Colsterworth following an incident involving a lorry.
The incident happened between the South Witham turn-off at Broadgate Road and the A151 at Colsterworth Services.
The air ambulance has landed nearby.
The AA is reporting that emergency road repairs are being undertaken after a lorry collided with the central barrier.
It says there are delays of 18 minutes.