Four people have died and 51 people are missing after a migrant ship sank off the coast of Tunisia.

Local authorities in Tunisia say that at least 27 refugees have died and are missing after two migrant boats sank off the eastern coast of this country.

Voting has ended in Tunisia's second free presidential poll since the 2011 Arab Spring. Both finalists are political newbies: Nabil Karoui, a media tycoon recently freed from jail, and Kais Saied, an ex-law professor.