A 36-year-old man has been arrested on suspicion of manslaughter in connection with the deaths of 39 Vietnamese people in a lorry in Essex, police have said.

The bodies of eight females and 31 males were discovered in a trailer attached to a Scania cab in an industrial park in Grays early on October 23. 

The man, from Purfleet, Essex, was arrested on Monday morning at a property in Dalston, east London, Essex Police said.

He was also arrested on suspicion of conspiracy to traffic people and conspiracy to assist unlawful immigration.