[A migrant man trying to remove barbed wire along the fence clashes with Macedonian police at the northern Greek border point of Idomeni, Greece, Wednesday, April 13, 2016. New clashes have broken out between Macedonian police and stranded refugees and other migrants trying to scale a fence on Greece's border with the country. (AP Photo/Amel Emric)]BERLIN (AP) — The Latest on European efforts to respond to the wave of migration (all times local):