Flares were thrown as supporters from both sides spilled onto the pitch after Celtic's 4-2 win on penalties.
The historic Old Firm rivalry erupted into chaos following a dramatic Scottish Cup quarterfinal clash at Ibrox.
Police make arrests after both sets of supporters invade playing area and hurl flares following dramatic penalty shoot-out ...
Record View says there is a clear problem with vocal and highly organised “ultra” groups causing bother at games.
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