Pressure mounts on Labour leader Ed Miliband

There's more pressure on the Labour leader after the head of the country's biggest union said Ed Miliband had set the party on a path towards "certain election defeat".

Len McCluskey, the general secretary of Unite, made the comments after Labour said it had no choice but to support the government's pay freeze for public sector workers.

Our political correspondent, Ben Geoghegan, reports.