One Direction launch film

Pop fans descended on Leicester Square in their thousands this evening, for the world premiere of One Direction: This is Us.

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Thousands in Leicester Square for One Direction

Even with its long history of hosting film premieres, London's West End has never seen anything quite like this. Tens of thousands of fans have been cramming themselves into every corner of Leicester Square since first thing this morning, to get a glimpse of One Direction.

Sangeeta Kandola went to meet their dedicated army of fans.

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