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Celtic stretched their lead at the top of the Scottish Premiership to eight points with an emphatic 3-0 home win over second-placed Aberdeen.
Derek McInnes will remain Aberdeen manager after Rangers failed to prise him away from Pittodrie.
Ten-man Rangers clung on for a 2-1 victory over Aberdeen after Ryan Jack's Pittodrie return ended in red card controversy.
Rangers put their long-running managerial saga to one side as they claimed a surprisingly one-sided 3-0 victory over Aberdeen at Ibrox.