Celtic moved six points clear at the top of the Premiership with a 4-1 home win over bottom club St Mirren on Sunday.
Scott Brown's early opener was cancelled out by Sean Kelly but James Forrest and Brown again had Ronny Deila's men 3-1 ahead after 18 minutes.
Anthony Stokes sealed an eighth straight SPFL win for Celtic with the fourth goal midway through the second half.
Saints, who had Gary Teale in interim charge after the departure of Tommy Craig during the week, remain a point behind Ross County.
