P107 CEEFAX 107 Tue 18 Sip 23:41/19       Britain has formally complained to the Soviet Union over claims b8 So6iet defector Oleo Bitov that hj was kidnapped and drugged bz British agents The Soviet charge d'affaires in London was summoned to the Foreign Office and told the allegations, made at a Moscow press conference today, were "absurd". An official said it "could not but affect the way the Soviet Union iu perceived in London". Bitov, a 52-year-old journalist, vanished in London last month and has reappeared in Moscow. More details BBC2 207