Election 2015: Lib Dems highlight key campaign areas

Liberal Democrat Education Minister David Laws has outlined the ''the big priorities'' of any future Lib Dem government, ahead of the election manifesto launch.

Speaking to the BBC's Norman Smith, he said the party's key areas were education, health, tax, balancing the budget, and the green economy.

''I think there is a big market for people who support the Liberal Democrat role in government,'' he said.