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UKIP explained in 45 seconds

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The UK Independence Party (UKIP) has gained its first ever elected MP in the House of Commons.

An election took place in the area of Clacton, east England, on Thursday.

Douglas CarswellGetty Images
UKIP's first elected MP, Douglas Carswell

It was after the area's MP, Douglas Carswell, switched political parties in August from the Conservatives to UKIP.

He ran for election again - and won.

Want to know more about UKIP? Then watch our quick 45 second guide from BBC political correspondent Chris Mason.