article_snippet.sent: Migrants are transferred to holding centers after disembarking from in Augusta's port, near Siracusa, Sicily .
article_snippet.sent: a group of Nigerian and Ghanaian survivors said a group of Nigerian and Ghanaian survivors had boarded a rubber boat on the Libyan coast on April 14, which had 105 passengers aboard.
article_snippet.sent: The threats then materialised and 12 people, all Nigerian and Ghanaian, are believed to have drowned in the Mediterranean,' the police statement added.
article_snippet.sent: The 15 migrants arrested over the attack on their arrival in Palermo are from the Ivory Coast, Senegal, Mali and Guinea Bissau.
article_snippet.sent: Four men, two Nigerians, a Ghanaian and one from Niger, who had been rescued while floating in the Mediterranean by an Italian Navy helicopter said had left Tripoli in Libya on Saturday and stayed adrift for four days.
highlights_snippet.sent: Migrants from Nigeria and Ghana drown after being thrown overboard .
  