One Direction's tour hits the UK

One Direction are kicking off the UK leg of their world tour in Sunderland.

Around 50,000 fans are expected at the Stadium of Light later for the Where We Are concert.

The boys will then head to Manchester, Edinburgh and Wembley Stadium in London for more shows.

Tune into Newsround at 4.20 where Martin will be live in Sunderland catching up with some very excited Directioners, who'll be seeing the boys perform tonight.

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