European Council President Donald Tusk (L-R), European Parliament President Martin Schulz, EU Council General Secretary Uwe Corsepius, Italian Prime Minister Matteo Renzi, Greek Prime Minister Alexis Tsipras and Lithuanian President Dalia Grybauskaite respect a minute of silence during a European Union extraordinary summit seeking for a solution to the migrants crisis, in Brussels April 23, 2015. EU leaders will effectively reverse a cutback in rescue operations the Mediterranean on Thursday to try to prevent record numbers of people drowning as they try to flee war and poverty in the Middle East and Africa. REUTERS/Yves Herman