Aberdeen fans spilled onto the pitch after Bojan Miovski hit the back of the net against Ross County - only for the strike to be chalked off for offside.
The Dons are in the midst of a full-scale resurgence under Barry Robson and travelled to the Highlands looking for a sixth win on the spin. Duk opened the scoring in the first half to send the sizeable travelling support into party mode and Miovski thought he had doubled the advantage after the break when he slotted beyond Ross Laidlaw.
Fans spilled onto the pitch and one was seen hugging the scorer with Aberdeen convinced they'd struck a killer second blow. Referee Euan Anderson initially gave the goal but offside intervened with Greg Aitken on VAR confirming it. And after a lengthy stoppage, the offside was confirmed with the handful of fans who had encroached onto the pitch returning to the stands left a little red in the face.
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