Drivers face severe delays as lorry ‘well alight’ on A1(M) near Hatfield
Drivers are currently crawling along the A1(M), facing delays of around 22 minutes, with an average speed of five mph. 
"Lorry trailer containing mixed waste is well alight. Read more "Incident is ongoing."
Welwyn Hatfield Police are also in attendance at the scene dealing with traffic and road closures, they have said online: "We are currently dealing with a vehicle fire on the A1(M).
"We would ask you to please avoid the area at this time as the A1(M) is closed at junction 3 both ways."