Italian divers have recovered 38 more bodies from a smugglers' boat that capsized and sank to the bottom of the Mediterranean Sea with hundreds of migrants on board.

Madeleine McCann's parents says they're "greatly encouraged" by the expanding British police investigation into the case of their missing daughter.

Survivors of a fiery shipwreck that killed more than 110 African migrants clung for hours to empty water bottles in the dark, trying desperately to keep themselves from drowning in the sea.