A person has been taken to hospital by air ambulance after a car travelling in the wrong direction on the northbound carriageway crashed into a van.
At 2.58pm today (Thursday), it was reported to police that a Volkswagen Polo had joined the road at Junction 44 and was travelling in the wrong direction.
Two teenagers in hospital after crashed motorbike sets on fire on Leeds street
Leeds Olympian Nicola Adams and girlfriend Ella Baig reveal baby boy's name as they talk about parenthood
Caught on camera Leeds: West Yorkshire Police need to speak to these people urgently
Met Office storm warning for Leeds - when the stormy weather is due to hit and how long it will last
17 pictures you'll only understand if you're from Leeds
One injured person has been taken to hospital by air ambulance.
The A1(M) northbound remains closed between junctions 42 and 44, with more than five miles of stationary traffic.
Highways England is turning drivers stuck in traffic away from the scene.
The M1 is also closed northbound between J47 (Garforth) and J48 (A1M).
Scroll down for live updates on this breaking incident.
Long delays on the A1(M) near Leeds as Air Ambulance called out to serious crash
Last updated: Thursday, 30 December, 2021, 18:41
All emergency services and air ambulance called out to the scene
There is around three miles of heavy traffic on the approach to the incident and motorists are advised to avoid the area.
Crash blocks A1(M) northbound between J43 and J44 near Leeds
There are long delays on the A1(M) near Leeds following a serious crash.
Highways England first reported the crash at 3.20pm, which has blocked the northbound carriageway between J43 (M1) and J44 near Leeds.
We have contacted West Yorkshire Police and the Yorkshire Ambulance Service for more information on this breaking incident.