Jonathan Obika scored a 90th-minute equaliser as Motherwell earned a 1-1 draw with Celtic at Parkhead. The cinch Premiership leaders missed a penalty through Luis Palma but looked on course for victory when David Turnbull converted a spot-kick four minutes from time, only for Obika to level for the Steelmen.
Third-placed St Mirren defeated bottom club Livingston 1-0 in Paisley while fourth-placed Heart of Midlothian beat St Johnstone 1-0 at Tynecastle. Hibernian leapfrogged Dundee thanks to a 2-1 win at Dens Park. Derek Adams’ first match of his third spell at Ross County ended in a 0-0 draw with Kilmarnock at the Global Energy Stadium. Aberdeen host Rangers on Sunday, live on Sky Sports at 12 noon.
There were no games in the cinch Championship, cinch League 1 or cinch League 2 because of the third round of the Scottish Cup.