There are delays on the M1 into north London after a 'serious collision' led to the closure of the North Circular Road.

The crash is reported to have taken place at the A41 Hendon Way (Brent Cross Flyover) at Brent Cross.

Police are reported to be at the scene.

National Highways: East posted on X: "Please be aware if heading into #London this afternoon that the #A406 North Circular Road is closed eastbound from the #M1 J1 due to a serious collision.

"@metpoliceuk are on scene and road is expected to be closed for some time.

"Consider alternative routes & allow extra time."

The AA is reporting long delays, with two lanes closed due to a serious crash on the A406 North Circular Northbound at A41 Hendon Way (Brent Cross Flyover).

Congestion is reported to stretch back to Neasden. Lanes one and two (of three) of the North Circular Road are closed, with access to the exit slip road also restricted.