Celtic added to the woes of administration-hit Rangers with a comprehensive win over their Old Firm rivals in their final Clydesdale Bank Premier League meeting of the season at Parkhead.

Goals from defender Charlie Mulgrew and midfielder Kris Commons, his first of the season, gave the rampant champions a commanding interval lead.

Striker Gary Hooper scored with a thumping strike soon after the break to take Celtic 21 points clear of the struggling Ibrox club.

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