Labour: Blackout claims over energy pledge 'absurd'

Labour's shadow business secretary Chuka Umunna told the BBC's Newsnight that claims the policy could see the lights go out was "patently absurd" and "nonsense".

Read more: Davey compares freeze plan to California blackouts


Mandelson attacks energy plan

Lord Mandelson has warned that Ed Miliband's plan to freeze energy bills risks taking Labour "backwards."