Migrants try to stay afloat after falling off their rubber dinghy during a rescue operation by the Malta-based NGO Migrant Offshore Aid Station (MOAS) ship in the central Mediterranean in international waters some 15 nautical miles off the coast of Zawiya in Libya, April 14. All 134 sub-Saharan migrants survived and were rescued by MOAS. REUTERS/Darrin Zammit Lupi