Ed Miliband and David Cameron
Media playback is unsupported on your device
Video

General elections 2015: Leaders step up campaign

It is 100 days to go before the general election on 7 May - and all three parties have stepped up their campaigns.

The Conservatives have been concentrating on welfare, and Labour on the NHS.

Meanwhile, the Liberal Democrats say they represent the moderate alternative to the other two parties.

Ross Hawkins reports.

Go to next video: 'Huge savings' under Labour NHS plan