Partick Thistle recorded a third consecutive win to guarantee their top-flight status and cast further doubt over St Mirren's chances of staying up. After dominating the first half, Kallum Higginbotham's cross in the second was headed in by Ryan Stevenson. Kris Doolan then netted his 10th of the season with a half-volley. And Steven Lawless added a low, powerful third from 20 yards in injury time as the Jags made themselves safe in the Premiership in style.
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Steve Welsh