Two boys have been arrested after a 12-year-old was stabbed in the hand and leg by three children during an attempt to rob him.
The victim was attacked outside Tesco Express in Whitehorse Road, Croydon, South London at 5pm on Monday.
Two 15-year-old boys were arrested in Croydon yesterday on suspicion of causing grievous bodily harm and were being questioned, Scotland Yard confirmed.
The 12-year-old was taken to hospital after the attack although his injuries are not believed to be life-threatening.
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The Football Association says it is hoped that the match will raise around £1.25million for the victims.