What happened: Rangers condemned the fan disorder at Sunday's Old Firm match, while Celtic called for unacceptable behaviour to be addressed.
Why it matters:
- Fan disorder affects the reputation of both clubs and the safety of attendees
- Authorities and clubs need to work together to prevent future incidents
MNN Take: Both clubs have acknowledged the issue and emphasised the importance of tackling fan misconduct to ensure a safer environment at future games.
Sources: BBC Sport