Shaun Woodward will step down as the Labour MP for St Helens South ahead of the next general election in 2015.
Woodward has been an MP in the town since 2001.
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Cold and blustery with clear spells and wintry showers. Risk of ice and snow cover over hills by dawn on Monday
Windy. Wintry showers, giving snowfall over hills and ice risk.
Showers turning increasingly wintry after dusk. Snow may settle over higher routes by dawn. Risk of ice for the Monday rush hour