Motorists have been warned to avoid the A1 ahead of rush hour due to a northbound closure near Haddington, following a two-vehicle crash this afternoon.

The two-vehicle crash was reported to police at 3.50pm on Wednesday, March 11, with road users advised to avoid the area.

Photos from the scene shared on social media show a lorry on fire on the motorway, while there's also been reports of residents living nearby hearing 'explosions'.

The incident took place this afternoon on this stretch of the A1 northbound between Haddington and Thistly Cross Roundabout. | Google Maps

placeholder image — The incident took place this afternoon on this stretch of the A1 northbound between Haddington and Thistly Cross Roundabout. | Google Maps

A large emergency services response has been reported in the area, while AA Traffic News said there is slow traffic on the A1 due to a stalled vehicle and truck fire, with delays increasing, and an average speed of 10mph reported at 3.55pm.

A Police Scotland spokesperson said: “The A1 is closed northbound between the Thistly Cross roundabout and the Haddington turn-off following a two-vehicle crash reported to police around 3.50pm on Wednesday, March 11. Road users are advised to avoid the area.”

Traffic Scotland said: “The A1 is closed northbound at Haddington to a road traffic incident. Pleas use alternative routes and expect delays.” It added that the northbound on-slip road is also currently closed due to the incident.