Rescue helicopter video shows boat capsize aftermath
12 October 2013 Last updated at 15:38 BST
Footage released by the Italian Navy has shown the aftermath of the latest capsizing of a boat carrying migrants from Africa.
Malta and Italy launched a rescue operation after the incident on Friday, in which at least 30 people died.
Amnesty International's Europe and Central Asia Director, John Dalhuisen spoke to the BBC's Maxine Mawhinney.