Updated

The Latest on Europe's migration influx (all times local):

1:15 p.m.

Greece's navy has sent a tank landing ship to the island of Lesbos to house refugees and migrants during a cold snap that has triggered public health warnings.

The vessel has docked and is due to provide accommodation for about 500 migrants.

A medical association on Lesbos said Tuesday that conditions at the main camp there were "inhuman" with migrants in tents exposed to freezing temperatures.

Schools have been closed on Lesbos because of the bad weather, as a state of emergency was expanded to other areas in northern Greece, where snow has blocked roads and caused power and water outages.

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12:10 p.m.

Germany's Interior Ministry says that about 280,000 new asylum-seekers arrived in the country last year — far below the influx of 890,000 in 2015.

Arrivals declined sharply with the closure of the Balkan migrant route in March and the subsequent agreement between the European Union and Turkey to stem the flow across the Aegean Sea to Turkey.

Asylum applications have lagged well behind arrivals and many people who came to Germany in 2015 applied only last year.

The figures released Wednesday showed that 745,545 formal asylum applications were made last year — 268,869 more than in 2015.