An Owen Coyle double helped Airdrie to a shock win over Ross County at Victoria Park.
Coyle returned to haunt his old club with goals after seven and 70 minutes to help ease the Diamonds' relegation worries.
Coyle opened the scoring after a frantic start to the match when he converted a through ball from Ian Cameron.
County drew level in the 11th minute when Derek Holmes headed home a Karim Boukraa cross.
But the Diamonds restored their lead three minutes later when Stewart Taylor found space in the County box to fire home.
A quick-fire double shortly after the break saw County take the lead for the first time. John McQuade scored with a cracking 20-yard drive in the 53rd minute, and a minute later Holmes headed home his second of the game after an Alex Bone effort rebounded off the underside of the bar.
But the visitors finished strongly and a slip-up in the County defence allowed Coyle to score from 12 yards before substitute Robert Dunn rocked County with a spectacular 30-yard winner.