Koji Sekimizu

The number of migrants crossing the Mediterranean could surge to 500,000 this year, with deaths at sea reaching thousands if no action is taken against the people who traffic them, the head of the UN's maritime agency warned .

The number of migrants crossing the Mediterranean could surge to 500,000 this year, with deaths at sea reaching thousands if no action is taken against the people who traffic them, the head of the UN's maritime agency warned .