Ross County beat leaders Aberdeen 2-0 at the Global Energy Stadium on Friday night to climb to third place in the Ladbrokes Premiership.
Brian Graham opened the scoring after 36 minutes following good work on the left by Richard Foster and Graham ran clear early in the second half to tuck the ball beyond keeper Danny Ward.
Niall McGinn struck the post for the visitors as they went down to a third straight league defeat, meaning Celtic have the chance to go top when they play Motherwell at Fir Park on Saturday, live on BT Sport at 12 noon.
