Aberdeen came from behind three times against Celtic in a 4-4 draw at Pittodrie to put a dent in the Hoops' Clydesdale Bank Premier League title aspirations.
The first half ended level after goals from Diomansy Kamara and Marc-Antoine Fortune had been cancelled out by Michael Paton and Darren Mackie.
The Parkhead side went two clear with goals from Robbie Keane and Aiden McGeady but Dons striker Steve MacLean reduced the deficit from the spot before grabbing a dramatic late equaliser as Celtic defender Darren O'Dea was sent off in the dying stages.
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