Thousands march in Berlin and other cities urging the European bloc and German government to do more to help migrants and refugees stuck in Greece.
The operation comes more than a week after a fire burned down Greece's biggest migrant camp in Lesvos island, leaving thousands of refugees in need of emergency housing.
Greek police suspect that five migrants could be behind the fire that destroyed Europe's largest camp on September 8.
Global coronavirus pandemic has killed over 899,000 people and infected more than 27.5 million. Here are coronavirus-related developments for September 8:
Turkey had earlier declared that it was closing down its six land and sea border crossings with Greece and Bulgaria in an effort to contain the spread of the novel coronavirus.
The fire burned through two containers used as living quarters by people in the Moria camp, as well as some tents, a spokesman said.
Two children were found unconscious after a vessel overturned at 0630 GMT in the Aegean Sea, Greek police said. One of them, a small boy, could not be revived, while the other was taken to hospital.
The Greek island camp is full of Afghan refugees, who spend their days in what they say is "filth and degradation".
Thousands of refugees who have fled their homes because of the civil war in their country are stranded on Greece islands, waiting for the day they can return.
Refugees stranded on five Greek islands face confinement, overcrowding, uncertainty about the future, poor sanitation and frequent outbreaks of violence. And now winter is coming.
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