Celtic are comfortably ahead at the interval as they lead visitors St Johnstone 2-0 at Celtic Park.
Neil Lennon had been hoping for a reaction after the disappointing defeat in the Champions League in midweek.
Teemu Pukki gave the home side the lead after 11 minutes, with Charlie Mulgrew doubling their advantage.
St Johnstone have struggled to get into the game and face an uphill battle to take something in the second half.
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