People rally as they take part in a protest against Republican presidential front-runner Donald Trump in New York on March 19,2016. AFP / KENA BETANCUR
People sit by bonfire as they warm themselves at dusk at the makeshift camp at the Greek Macedonian borders near the village of Idomeni on March 19, 2016 where thousands of migrants and refugees are stranded.
Greece scrambled Saturday to begin the massive task of implementing a historic EU-Turkey migrant deal to stem the flow of refugees fleeing conflict in the Middle East and elsewhere. AFP / LOUISA GOULIAMAKI
A boy stands near the site of a blast on Istiklal Street, a major shopping and tourist district, in central Istanbul on March 19, 2016.
A suicide blast ripped through Istanbul, killing three Israelis and one Iranian less than a week after another deadly attack left 35 dead in Ankara. AFP / BULENT KILIC
A woman holds a sign in protest after a rally for Republican Presidential candidate Donald Trump at the Peabody Opera House on March 11, 2016 in St. Louis, Missouri. AFP / Michael B. Thomas
A man with blood stains on his sweater leaves Brussels airport in Zaventem on March 22, 2016 following twin blasts. AFP / Belga / DIRK WAEM / Belgium OUT
The Eiffel Tower is illuminated in the national colours of Belgium in tribute to the victims of the attacks in Belgium, in Paris, France, 22 March 2016. EPA / IAN LANGSDON
In this photo taken with a long exposure, hundreds line the beach north of the Cocoa Beach Pier in Florida to watch launch of the Orbital ATKs Cygnus spacecraft off the United Launch Alliance Atlas V rocket at Cape Canaveral Air Force Station, Tuesday, March 22, 2016. Fresh supplies shipped out late Tuesday for the International Space Station, where the shelves finally are getting full after a string of failed deliveries. Malcolm Denemark / Florida Today via AP
A supporter of elected President Denis Sassou Nguesso is wrapped in a flag at a sport field ahead of a rally organised to celebrate his re-election in Brazzaville on March 24, 2016. AFP / MARCO LONGARI
An Indian man get his face smeared with colors as he takes part in Holi celebrations in Chennai on March 24, 2016.
The Hindu festival of Holi, or the 'Festival of Colours' heralds the arrival of spring and the end of winter. AFP / ARUN SANKAR
Canada goalkeeper Milan Borjan makes a save against Mexico during first-half FIFA World Cup qualifying soccer action in Vancouver, British Columbia, on Friday, March 25, 2016. Darryl Dyck / The Canadian Press via AP
Two boys look out of a truck in a convoy carrying families fleeing Islamic State-held Hit, Iraq, at a checkpoint on the western edge of Ramadi, Iraq. (AP Photo/Maya Alleruzzo)