Police stand guard on rail tracks close to the fence at the Greek-Macedonian border near the Greek village of Idomeni, on March 2, 2016, as migrants and refugees wait to be allowede to cross into Macedonia. The European Union will on March 2 announce plans for emergency aid to Greece which is struggling to cope with an influx of migrants with thousands stuck in misery at its border after Balkan states tightened their frontiers. Greece has asked for around 480 million euros ($520 million) to help shelter 100,000 refugees as Europe faces its biggest wave of refugees since World War II in a crisis that has sown deep discord and threatened the bloc's solidarity. / AFP / LOUISA GOULIAMAKI