A Russian helicopter with eight people on board crashed at sea in Norway's Svalbard archipelago in the Arctic on Thursday, Norwegian rescue services said.
The fate of those on board the helicopter was not immediately known.
The aircraft went down two or three kilometres from Barentsburg, a Russian mining community in the archipelago, the rescue services said.
"We've onlyRead more
The world's oceans have lost more than two percent of their oxygen since 1960, with potentially devastating consequences for sea plants and animals, marine scientists said Wednesday.
In those five and a half decades, parts of the oceans devoid of oxygen, called anoxic waters, have quadrupled, said a study in the science journal Nature.
And the production and flow ofRead more