Authorities in Russia are desperately searching for a 77-year-old fisherman who was last seen stranded on a large block of ice that broke off and floated away towards the Arctic. https://filedn.eu/lhVNGNsizwl5t7THnzzJ2c8/New%20public/Clipzilla-BreakawayIceFloe-01.mp4 The missing angler, whose identity has not been disclosed, was briefly caught on video before going adrift on the…