It’s hardly their worst gaffe – but it’s at least fairly amusing.

UKIP’s ‘common sense’ tour bus collided with the roof of a Portsmouth railway station this morning.

Onlookers gathered and laughed as the campaign double-decker bus slammed into the station canopy as it attempted a u-turn.

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The purple bus, which had the words ‘common sense’ plastered across its side, arrived at Portsmouth and Southsea railway station to greet party leader Nigel Farage.

But the driver encountered some difficulty as the bus attempted to exit the car park. The bus would not fit under the railway platform bridge, so its driver tried to make a u-turn.

Mr Farage is visiting the Hampshire city as part of his campaign tour for the forthcoming European election.

Both the railway canopy and the bus, which only had one passenger on board, suffered minor damage.