Dundee United are through to the quarter-finals of the Premier Sports Cup after defeating St Mirren 1-0 at Tannadice thanks to a first-half goal from Ross Graham.
Motherwell beat Kilmarnock 1-0 after extra time at Fir Park. Moses Ebiye scored the winner in 96 minutes against a Killie side who had Stuart Findlay sent off early in the second half.
Celtic saw off Hibernian 3-1 at Parkhead in the 3.00pm kick-off. Daizen Maeda bagged a double and Nicolas Kuhn sealed the win after Mykola Kuharevich had pulled one back.
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