A 35-year-old man was arrested on suspicion of dangerous driving last night after a car crashed in the Hatfield Tunnel, blocking a lane of the A1(M).
There are long delays on the A1(M) near Stevenage this morning after a crash on the southbound carriageway.
The A1(M) was shut last night for more than two hours due to a concern for welfare incident.
There has been a crash on the A1(M) between junctions 6 and 7 this evening, causing long delays in the area.
The A1(M) northbound carriageway between Welwyn and Stevenage has now reopened after a closure was put in place following a collision which resulted in the death of a horse.
A horse has died and another is believed to be seriously injured following a collision on the A1(M) between Stevenage and Welwyn.
There are severe delays on the A1(M) southbound after a crash between the two Stevenage junctions earlier today.
The A1(M) has now reopened following an incident this afternoon near Hatfield which saw a child fall from a moving van.
Fire crews from across Hertfordshire were called to a lorry blaze on the A1(M) near Stevenage this afternoon.
Firefighters are at the scene of a vehicle blaze on the edge of Stevenage.
A child was taken to hospital after a four-vehicle crash on the A1(M) near Junction 8 for Stevenage yesterday afternoon.