A late goal from Kris Commons earned a point for Celtic away at Ross County as the game finished 1-1.
Conor Pepper scored a 90th minute equaliser for Inverness to secure a 2-2 draw away at Hearts.
Two goals from Jamie Murphy gave Motherwell a 2-1 win over Kilmarnock at Rugby Park, taking them up to second in the league behind Hearts.
Aberdeen took all three points at St Johnstone, beating them 2-1 thanks to goals from Isaac Osbourne and Jonny Hayes.
Leigh Griffiths grabbed two goals away at St Mirren to claim a 2-1 win for Hibernian.