Rangers restored their 23-point lead at the top of the Scottish Premiership table with a 1-0 win over St Johnstone at Ibrox thanks to a 52nd-minute goal from Ianis Hagi.
Devante Cole and Chris Long got the goals as Motherwell defeated Dundee United 2-1 at Fir Park. Ryan Edwards pulled one back for the visitors.
Ross County came from behind to move four points clear of bottom club Hamilton Accies thanks to a 2-1 victory at the Foys Stadium. They fell behind to a Stephen Kelly own goal but Jordan White and Billy Mckay struck in the last 10 minutes for the Staggies.
A Fraser Murray double helped Dunfermline Athletic see off Fife rivals Raith Rovers 4-1 at East End Park to leave the Pars second in the Championship table. Arbroath and Inverness Caley Thistle drew 1-1 at Gayfield.