Two men have admitted filling shutter doors of Ibrox Stadium with expanding foam before an Old Firm game.
Glasgow Sheriff Court heard that 50 to 60 individuals in black clothing wearing balaclavas turned up at Rangers' stadium in the early hours of the morning in possession of the foam.
Michael McKay, 23, of Johnstone, and Ryan Cross, 19, of Dunfermline, were spotted vandalising the stadium on CCTV.