Lit candles are placed on the ground as people gather to attend a memorial service before the funeral of Russian leading opposition figure Boris Nemtsov in Moscow, March 3, 2015. Several hundred Russians, many carrying red carnations, queued on Tuesday to pay their respects to Boris Nemtsov, the Kremlin critic whose murder last week showed the hazards of speaking out against Russian President Vladimir Putin. REUTERS/Maxim Shemetov

A doctor examines a child after he disembarked from the German Navy ship Schleswig Holstein at the Reggio Calabria harbor, Italy, Tuesday, June 16, 2015. European Union nations failed to bridge differences Tuesday over an emergency plan to share the burden of the thousands of refugees crossing the Mediterranean, while on the French-Italian border, police in riot gear forcibly removed dozens of migrants. (AP Photo/Adriana Sapone)