Emergency services were called to deal with crowd unrest outside Ibrox prior to Rangers’ Europa League qualifying tie with Croatian side Osijek.
Footage on social media appeared to show fights between fans of the two clubs ahead of the second qualifying round second-leg tie.
Some were seen clashing near the stadium while bystanders captured footage which was later posted online.
A clip on Twitter appeared to show one person being kicked about the body while lying prone in the road, while another was seen running holding a flare.
Police officers could be seen lining Paisley Road West and Edmiston Drive on the approach to the stadium.
Rangers went on to draw the match 1-1, though progress to the next stage of the competition after winning the fixture 2-1 on aggregate.
Steven Gerrard’s side will now face Slovenian outfit Maribor in the third round of qualifying.