Tomas Cvancara converted another crucial penalty as a major VAR intervention helped Celtic come from behind to beat Motherwell 3-1.
The Czech striker followed up his Scottish Cup shoot-out winner at Ibrox with Celtic's second goal in the 72nd minute after Emmanuel Longelo had been dismissed for a challenge on Daizen Maeda as the Japan forward headed wide from a corner.
Referee John Beaton had initially given a goal kick but a lengthy look at the VAR monitor at the behest of Kevin Clancy changed the complexion of the game.
Both sides had netted in the first half courtesy of some high pressing, Motherwell through Elijah Just.
Yang Hyun-jun quickly levelled and the winger rounded off the scoring as the 10 men took risks.
Hearts saw their lead at the Premiership summit trimmed to two points after falling to a shock defeat at Kilmarnock.
Hearts buckled in the late kick-off, going down 1-0 after Michael Schjonning-Larsen’s 15th-minute goal at Rugby Park.
Killie still sit second bottom but now lie nine points ahead of bottom club Livingston, whose 0-0 draw at Hibernian stretched their run of draws to four in a row.
