At least 65 migrants have drowned to death in the Mediterranean.
It comes after their boat capsized off the coast of Tunisia.
According to the UN refugee agency, 16 people were rescued.
The boat left the Libyan port city of Zuwara on Thursday.
It capsized after encountering strong waves in in the Mediterranean.

Trump not satisfied with Iran's latest proposal, will not 'leave war early'
Iran sends proposal for negotiations with US to mediator Pakistan
Iran threatens painful response if US renews attacks
US Navy acting 'like pirates' to carry out naval blockade of Iranian ports, says Trump
