Celtic moved closer to the Scottish Premiership title with a 3-0 win over St Mirren at Parkhead.
Stefan Johansen, Leigh Griffiths and Anthony Stokes got the goals and Neil Lennon's men could clinch the title at Firhill on Wednesday if Aberdeen fail to beat Ross County on Tuesday night.
The Dons came from behind to see off Kilmarnock 2-1 at Pittodrie with goals from Adam Rooney and Ryan Jack after Kris Boyd had given Killie an early lead.
Motherwell stay third on goal difference thanks to a 2-1 Fir Park victory over Ross County. James McFadden and John Sutton were on target before Yann Songo'o pulled one back.
St Johnstone sealed a top-six place with a 2-0 home win over Hibernian with goals from Steven MacLean and Ryan McGivern (own goal) before Hibs had Danny Haynes sent off.
John Hughes earned his first home league win as Inverness CT boss - Billy McKay got the only goal just after the hour mark as Partick Thistle were defeated 1-0.