Celtic have knocked Rangers out of the Scottish Cup with a 4-2 win on penalties at Ibrox.
The quarter-final between the two Glasgow rivals finished goalless after extra-time.
Celtic and Rangers fans clashed on the pitch afterwards.
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Police and stewards had to form a barrier in the middle of the playing surface to keep them apart.
Celtic supporters jumped out of the stands after their victory, and they were then confronted by their Glasgow rivals.
