The Latest on the migrant influx into Europe (all times local):

9:40 a.m.

People fleeing conflict and poverty in Africa, the Mideast and Asia are facing an evening deadline to move out of a camp in the French port of Calais that has become a flashpoint in Europe's migrant crisis.

Authorities, arguing that the slum-like site presents sanitary risks, warned camp residents last week that they have until 8 p.m. (1900 GMT) Tuesday to leave.

A decision is expected Tuesday in a last-ditch effort by charity groups to delay the evacuation.

Officials estimate 800 to 1,000 currently live there, but humanitarian groups contend the figure is more than 3,000.

Regional administration head Fabienne Buccio said on Europe-1 radio Tuesday that the expulsion order doesn't mean authorities will use force to evacuate the site. Interior Minister Bernard Cazeneuve insisted the evacuation would be "progressive."

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9:15 a.m.

Police have removed hundreds of migrants from a camp at Greece's border with Macedonia following a protest that halted freight rail services to other Balkan countries.

Authorities said the mostly Afghan migrants were being put on buses bound for Athens, in the south of the country, after the police operation started early Tuesday. Journalists were not allowed to approach the area.

Macedonia at the weekend began stopping Afghan migrants at the border, and slowing the rate at which asylum seekers from Syria and Iraq were allowed to cross the border — leaving thousands stranded in Greece, where an average of 4,000 migrants and refugees each day.

Greek has strongly criticized Austria's decision last week to cap the daily number of asylum applications and migrants crossing the country.