Police have detained six suspected illegal immigrants at Toddington service station after officers received a distress call from a person in the back of a lorry.
This morning Essex Police put out an appeal to trace a white lorry which had entered the country at Kent and had driven into Essex and along the A414 at North Weald.
Police had received a call from someone in a distressed state, who claimed they were in the back of a vehicle.
At around noon officers detained six people at the Toddington service station on the M1.
Investigations are ongoing.