Zulu King Goodwill Zwelithini, center, arrives at a Zulu gathering at a stadium in Durban, South Africa. Six people have died in anti-immigrant violence in the city in recent weeks, and another death has been reported in Johannesburg; Zwelithini is accused of inciting the attacks with incendiary comments, but says his remarks were taken out of context. AP hide caption

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Soldiers in Malta carry coffins during a funeral service for 24 migrants who drowned while trying to reach southern Italy. Alessandra Tarantino/AP hide caption

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Kenya's Eliud Kipchoge (left) celebrates winning the London Marathon next to runner-up and last year's winner Wilson Kipsang, also of Kenya, on Sunday. Facundo Arrozabalaga/EPA/Landov hide caption

itoggle caption Facundo Arrozabalaga/EPA/Landov

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

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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

Chantel, 3, and Antoni, 7 months, migrated to Spain from their native Cameroon, with their mother Tatiana Kanga, 25. Tatiana was nine months pregnant with Antoni when they crossed the Mediterranean Sea together in an inflatable boat. Lauren Frayer/NPR hide caption

itoggle caption Lauren Frayer/NPR