Paul Lewis on what the pension changes could mean

Britain's largest public service union will announce on Thursday whether it's joining a mass 24-hour strike at the end of the month.

The announcement from Unison will go ahead despite an improved pensions offer from the government on Wednesday.

Speaking on BBC Breakfast Radio 4's Money Box presenter Paul Lewis said, "Under the new system you would end up with a slightly bigger pension, but do not forget you would be paying in for longer."