Football Focus: Son Heung-min says Spurs need to keep their form for 'massive' north London derby

Tottenham Hotpur’s Son Heung-min tells Football Focus Spurs need to keep their form ahead of Sunday’s “massive” north London derby against Arsenal.

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Watch more from Son Heung-min on Football Focus on Saturday, 13 March at 12:00 GMT on BBC One, iPlayer and the BBC Sport website and app.

Football Focus: Son Heung-min says Spurs need to keep their form for ‘massive’ north London derby