LÉ Niamh has rescued 380 people in three operations in the Mediterranean today.
The refugees were picked up off the Libyan coast in small boats, and are being given water, food and medical assistance.
Meanwhile, the Hungarian government's criticising a move by Croatia to divert refugees towards Hungary and Slovenia.
European heads of state are preparing for an emergency refugee summit next week.
On the Last Word Financial Times columnist Quentin Peel said governments have very different views on the issue: