Steffen Wohlfarth netted a winner deep into injury-time as Ross County completed an incredible comeback from two goals down to win 3-2 against Celtic.
The German beat Kelvin Wilson and Fraser Forster to a long ball to head into the net as the hosts stunned Celtic and consolidated their status as the Clydesdale Bank Premier League's form team of 2013.
The win looked highly unlikely on 21 minutes after Charlie Mulgrew had scored direct from a corner and Gary Hooper chipped home as goalkeeper Michael Fraser endured a nightmare six minutes. But County also scored twice in six minutes. A stunning volley from Grant Munro and Sam Morrow's close-range finish got them level before the break.
Conditions were far from ideal with a sandy, bumpy pitch and an icy, strong wind above but the visitors adapted well initially. Efe Ambrose's long ball reached Hooper thanks to some hesitant defending but Fraser stood up to push the striker's shot wide.
The resulting corner was cleared but Charlie Mulgrew got another chance to deliver and he made the most of it as he swerved the ball past Fraser into the top corner.
Fraser saved well from Miku after the Venezuelan had played a one-two with Hooper but he was soon beaten again by a soft goal. Dylan McGeouch laid the ball back for Hooper 18 yards and the Englishman chipped the ball towards the far post with Fraser again only able to help it into the net as he was caught off his line.
The comeback started in the 30th minute with a spectacular first-time effort from Munro. Celtic initially cleared an Iain Vigurs free-kick but Mihael Kovacevic returned a high ball into box. Kelvin Wilson won the aerial challenge but his header fell for Munro and the big defender unleashed a stunning left-footed strike into the top corner past a helpless Forster.
County were level six minutes later. Iain Vigurs nutmegged Mulgrew on the right wing and skipped round Joe Ledley before hanging a cross to the far post which held up in the wind. Morrow and McGeouch challenged for the ball and the County forward reacted quickest to force the ball home from close range.
The hosts had a let-off after Beram Kayal played Hooper through. Fraser palmed out the striker's shot and it bounced off the head of Kovacevic and off the top of the bar.
Hooper turned and shot just past but that was a rare foray forward for Celtic and the hosts snatched a famous win when Wohlfarth reached a long ball by Evangelos Ikonomou to head past the onrushing Forster.