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Inter Milan 0-1 AC Milan (abandoned): Andriy Shevchenko fires home a stunning strike to put AC 3-0 up on aggregate

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With 20 minutes to go Esteban Cambiasso heads the ball into the AC Milan net, but the referee controversially disallows it

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Inter fans react angrily to the decision and begin to hurl objects at Milan goalkeeper Dida

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Bottles and flares rain down on Dida's penalty area and he is struck by a flaming flare in the 73rd minute

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Medical staff and worried team-mates rush to the aid of the stricken keeper, who was hit on the shoulder

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And the Brazilian stopper receives on-field treatment amidst smoke from the flares

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Inter's Juan Sebastian Veron can only watch as a bewildering amount of flares and bottles rain onto the San Siro pitch

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Clarence Seedorf and Estaban Cambiasso debate the incident as further debris cascades down from the terraces

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Referee Markus Merk takes the sensible decision of getting the players off the pitch in the hope the crowd will calm down

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Firemen go onto the pitch to try and remove the hundreds of objects that litter the goalmouth AC Milan were defending

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The teams briefly return to try and finish the final 20 minutes but more flares are thrown and the match is abandoned

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Milan's players applaud their fans for remaining calm during the trouble at the San Siro