POLICE have arrested a third Northern Ireland man on suspicion of manslaughter over the death of man in a shipping container in Essex last month.
The 47-year-old man from Dungannon, Co Tryone, was arrested earlier at Liverpool Ferry Port by Merseyside police.
He has now been transferred into the custody of Essex Police.
Two other men also charged in connection with the death remain in custody to appear at Basildon Crown Court in November.
Stephen McLaughlin, 34, Rose Park, Limavady, and Timothy Murphy, aged 33, of, Elmgrove, Londonderry are both charged with conspiring to facilitate illegal entry into the UK.
The migrants arrived in the UK on a ship from Belgium and were said by police to be victims of people trafficking.
They were discovered after dock workers heard banging and screaming coming from one of the containers.
Those found inside were taken to hospital, with many suffering from the effects of severe dehydration and hypothermia.
The dead man has been named as Meet Singh Kapoor. He was 40 years old.
The 34 survivors include 10 men, nine women and 15 children, with their ages ranging from one to 72.
They are all in the care of the Home Office after being discharged from hospital and questioned by police. They are seeking asylum in the UK.