Two men have been arrested by Essex Police in connection with the deaths of 39 Vietnamese nationals who were found dead in a trailer last year.
A 22-year-old man was arrested on February 9th in Northern Ireland in connection with the lorry deaths.
Meanwhile, Gheorghe Nica, 43, of Mimosa Close in Langdon Hills was detained at Frankfurt Airport on Wednesday, January 29th.
Nica had been the subject of a European Arrest Warrant and appeared at Chelmsford Magistrates' Court on Saturday, February 8th.
He faces charges of 39 counts of manslaughter and one count of conspiracy to assist unlawful immigration.
He will appear at the Old Bailey in London on March 16th.
Meanwhile, previously arrested Eamonn Harrison, 23, from Northern Ireland is still awaiting extradition to the UK from Ireland, and faces 39 charges of manslaughter and charges for conspiracy to traffic people and conspiracy to assist unlawful immigration.
In October, police discovered 39 bodies in a lorry trailer at an industrial estate in Grays, all of which were later found to those of Vietnamese internationals.
Essex police have said that post-mortem examinations had been completed and the provisional cause of death for all those who died was a combination of hypoxia, hyperthermia and overheating in an enclosed space.
Various arrests have been made in connection with the deaths, in the UK, in Ireland and in Vietnam.
Police investigations are continuing.
Reporting by IRN