ROME (AP) — A boat carrying nearly 100 migrants capsized Wednesday in international waters off the Italian island of Lampedusa, killing at least 20 people and leaving a dozen missing, the U.N. refugee agency and local officials said.

At least 26 migrants died Wednesday when two boats sank off the coast of Italy's Lampedusa island, with around 10 others still missing, the coastguard and UN officials said.It was a helicopter from Italy's financial police that spotted a capsized boat and several bodies in the water on Wednesday,

Sixty people survived after two boats with nearly 100 migrants capsized. The causes of the shipwrecks were not clear, Italian officials and U.N. agencies said. The death toll is likely to grow.