Mohammed Ali Malek is seen at Catania's tribunal, on Friday. Italian prosecutors blamed the captain of a grossly overloaded fishing boat for a collision that capsized and sank his vessel off Libya, drowning hundreds of migrants. Antonio Parrinello/Reuters/Landov hide caption

itoggle caption Antonio Parrinello/Reuters/Landov

Catholicos Karekin II (R, front), the supreme head of the Armenian Apostolic Church, and Russia's President Vladimir Putin walk to attend a commemoration ceremony marking the centenary of the mass killing of Armenians by Ottoman Turks in Yerevan, Armenia. RIA Novosti/Reuters/Landov hide caption

itoggle caption RIA Novosti/Reuters/Landov

The headquarters of Deutsche Bank in Frankfurt. Germany's largest bank has been hit with a $2.5 billion fine for manipulating a key interest rate. Seven other banks in various countries have also been fined in the far-reaching scandal. Michael Probst/AP hide caption

itoggle caption Michael Probst/AP

In this photo made available Thursday, April 23, 2015, migrants crowd and inflatable dinghy as the Italian Coast Guard approaches them, off the Libyan coast, on Wednesday. Alessandro Di Meo/AP hide caption

itoggle caption Alessandro Di Meo/AP