Migrants expressed their dismay and sense of betrayal on Wednesday over Italy's decision last week to release a Libyan policeman wanted by the International Criminal Court (ICC) for war crimes and human rights abuses and allow him to return home.

Prime Minister Giorgia Meloni of Italy announced on Tuesday that she was being investigated by Italian prosecutors for her alleged role in aiding and abetting the release last week of a Libyan official wanted on war crimes charges.

Osama Elmasry Njeem is suspected of crimes against humanity including murder, torture, rape and sexual violence as a prison overseer in Tripoli.