Around 50 corpses have so far been sighted where a boat carrying African migrants capsized near Italy, including around 10 children.
The news was reported by Italian news agency ANSA, after the boat spilled around 250 passengers into the sea between Sicily and Tunisia.
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Police investigating the disappearance of a British toddler in Germany more than 35 years ago have released an image of a suspect.
Lord Stevens said drones should be prohibited near sensitive sites like airports.
The strike action was due to begin on Wednesday.