Police chief appeals to fans over Ibrox fixture incidents
Police Scotland's Assistant Chief Constable Mark Williams has appealed for fans to help find the culprits behind violent incidents at the Old Firm match at Ibrox.
ACC Williams said the "disorder and violence shown during the game on Sunday was completely unacceptable".
During the fixture between Rangers and Celtic on Sunday a Celtic physiotherapist was hit on the head by a glass bottle and glass was removed from the Celtic penalty area.