Trial of co-founder of banned neo-Nazi group is shown shocking footage of nationalist demonstrators in Liverpool doing ‘Sieg Heil’ salutes and calling on ‘race traitors’ to be ‘gassed’ - Alex Davies, 27, co-founded National Action – self-proclaimed ‘white jihadists’ - The sect was outlawed for racism in December 2016 by the Home Secretary - Davies is on trial accused of being a member of a proscribed organisation - Jury was shown footage of a Liverpool rally calling for ‘race traitors’ to be gassed The trial of a neo-Nazi who founded an extremist group which celebrated the murder of MP Jo...