A1 at Peterborough to remain closed for 'several hours' tonight after serious crash
The A1 northbound at Alwalton is shut northbound this evening, Thursday June 9, after a very serious crash.
Police are on the scene of the collision but the road is likely to remain closed for several hours through the night officers have said.
Motorists are advised to find alternative routes.
There is a diversion via the A1139, A1260 and A47.
More information as we have it...