Migrants

Sub-Saharan migrants climb over a metallic fence that divides Morocco and the Spanish enclave of Melilla on Friday March 28, 2014. Officials said several hundred African migrants tried to cross barbed-wire border fences to enter the Spanish enclave of Melilla from Morocco but most were turned back by security forces from both sides. An Interior Ministry spokesman in Melilla said the migrants attempted to scale the fences several times early Friday and a handful managed to get across. Thousands of migrants seeking a better life in Europe are living illegally in Morocco, hoping they can enter Melilla and Spain's other north African coastal enclave, Ceuta. (AP Photo/Santi Palacios)

Santi Palacios/AP

Sub-Saharan migrants climb over a metallic fence that divides Morocco and the Spanish enclave of Melilla. Officials said several hundred African migrants tried to cross barbed-wire border fences to enter the Spanish enclave of Melilla from Morocco but most were turned back by security forces from both sides. An Interior Ministry spokesman in Melilla said the migrants attempted to scale the fences several times early Friday and a handful managed to get across. Read more

Young children of foreign migrant workers wear costumes as they march in a Purim parade in Tel Aviv, Israel, Friday, March 14, 2014. The Jewish holiday of Purim commemorates the Jews' salvation from genocide in ancient Persia, as recounted in the Book of Esther, which is read in synagogues. Other customs include: sending food parcels and giving charity; dressing up in masks and costumes; eating a festive meal; and public celebrations.

Ariel Schalit/AP

Young children of foreign migrant workers wear costumes as they march in a Purim parade in Tel Aviv, Israel. The Jewish holiday commemorates the Jews’ salvation from genocide in ancient Persia, as recounted in the Book of Esther, which is read in synagogues

African asylum seekers gesture during a protest outside the Ministry of Interior in Tel Aviv, Israel, 11 February 2014. Over 1,000 African migrants, which mostly arrive from Eritrea and Sudan, marched from southern Tel Aviv's Levinski Park to the Ministry of Interior. The asylum seekers are protesting since weeks  against Israel's refusal to grant them refugee status and the opening of 'Holot', the new detention facility in the country's south.

Oliver Weiken/EPA

African asylum seekers gesture during a protest outside the Ministry of Interior in Tel Aviv, Israel. Over 1,000 African migrants, which mostly arrive from Eritrea and Sudan, marched from southern Tel Aviv’s Levinski Park to the Ministry of Interior.

Illegal Immigrants Rally In Tel Aviv...TEL AVIV, ISRAEL - JANUARY 06:   (ISRAEL OUT) Thousands of African migrants take part in a rally in front of the American embassy on January 6, 2014 in Tel Aviv, Israel. Tens of thousands of African asylum seekers are protesting against a law allowing authorities to keep them in open-ended detention until the resolution of their asylum requests are granted or they are deported or volunteered to leave the country.

Uriel Sinai/Getty

Thousands of African migrants take part in a rally in front of the US embassy in Tel Aviv in protest against a law that allows the Israeli authorities to keep them in open-ended detention until their asylum requests are resolved Read more

Mexican agricultural workers cultivate romaine lettuce on a farm in Holtville, California, USA. Thousands of Mexican workers cross the border legally each night from Mexicali, Mexico into Calexico, California, where they pick up work as agricultural day labourers at rates of pay considered too low by local US residents.

John Moore / Getty Images

Mexican agricultural workers cultivate romaine lettuce on a farm in Holtville, California, USA. Thousands of Mexican workers cross the border legally each night from Mexicali, Mexico into Calexico, California, where they pick up work as agricultural day labourers at rates of pay considered too low by local US residents.