squadron, now named by sources in ukraine as having died fighting russian forces. on a fundraising page in his memory, friends offered their tributes, one saying. scott sibley was in his mid 30s. he had a family. four years ago, he had his hair shaved to raise money for his daughter when she had cancer. the foreign office would not confirm mr sibley s identity, saying only that a british national had died in ukraine and they were supporting the family. the foreign office also said a second british national was missing, and they were urgently seeking more information about their whereabouts. diplomatic sources said it was most likely the two individuals were foreign volunteers, serving with ukrainian forces in the donbas. the authorities in ukraine estimate about 20,000 foreigners have come