A man from Northern Ireland is facing charges with multiple counts of manslaughter over the deaths of 39 people found in a container in the UK on 23 October.
UK authorities alleged he delivered the trailer to the Belgian port of Zeebrugge before its onward journey to Britain.
Eamonn Harrison, 22, from Mayobridge, Co Down, appeared before Mr Justice Donald Binchy in the High Court in Dublin this morning.
It follows the endorsement of a European Arrest Warrant for Mr Harrison yesterday.
The court heard that Mr Harrison was arrested in the holding cells of the Criminal Courts of Justice in Dublin this morning.
Sergeant Jim Kirwan gave evidence of his arrest and told the court that there are 41 offences in the warrant for Mr Harrison.
They include 39 manslaughter charges, conspiracy to commit a human trafficking and conspiracy to assist unlawful immigration.
He has been remanded to Cloverhill Prison until 11 November.