Two cars have been involved in a collision the North Circular in Neasden North London.
A number of persons are reported to be trapped and injured in the vehicles involved. Emergency services were called just after 11.40pm on Saturday. The off-slip remains closed whilst fire crews carry out an extrication of those involved using specialist hydraulic cutting equipment.
The London Airambulance Hems Teams and the LAS Hart have also been sent to the incident.
More to follow