BBC NewsMigrant deaths: UN warns of 'crisis of solidarity'BBC NewsThe UN has said "much more is required" to prevent the deaths of migrants fleeing to Europe after hundreds were reported dead in recent days. Secretary-General Ban Ki-moon called for a "collective political response" to avert "a crisis of solidarity ...Europe's Halting Response to Migrant Crisis Draws Criticism as Toll MountsNew York TimesRefugees or migrants?