Celtic remain five points clear at the top of the Ladbrokes Premiership after a 3-0 victory over St Johnstone on Wednesday night.
Olivier Ntcham, James Forrest and Leigh Griffiths were all on target inside the opening half hour for Neil Lennon's team at McDiarmid Park.
Rangers, who have a game in hand on the leaders, saw off Ross County 2-0 at Ibrox thanks to goals either side of half-time from Jermain Defoe and Scott Arfield.
