Denmark and Russia were at a war of words on Tuesday after Danish authorities accused a Russian frigate of firing flares at a Danish military helicopter.The armed forces said in a statement late on Monday that “one of the air force’s Fennec helicopters was today fired at with flares during a routine photographic operation of a Russian frigate, which was located in international waters off Gedser”, Denmark’s southernmost town.The frigate had fired “two flares towards the helicopter. One of the...