More than 800 people are believed to have died after the ship capsized in the Mediterranean, the United Nations refugee agency said. Only 28 people are known to have survived what is the worst maritime disaster the agency has ever recorded in the Mediterranean. "The migrants were from Eritrea, Syria, Somalia, Sierra Leone, Mali, Senegal, Gambia, Ivory Coast and Ehtiopia. "The migrants looked exhausted, fragile, astonished to see so many people waiting for them. They will need psychological support. They are receiving food and water," UNHRC spokesperson Carlotta Sami said. The Tunisian captain of the boat, 27-year-old Mohammed Ali Malek, has been arrested and charged with manslaughter, Italian prosecutors said.