A KNIFEMAN dubbed "one of the most dangerous men in Britain" after attempting to murder two police officers has been told by top judges his 25-year minimum jail term was not a day too long.
John Paul Onyenaychi, 31, cut PC Paul Madden's throat and slashed at community support officer Piotr Dolata in Ealing when he was detained after revenue inspectors kicked him off a bus in December 2010.
