AIK fans have been filmed trying to break through the police barrier as trouble erupted in the away end at Celtic Park.
The Swedish side were in Glasgow for tonight's 2-0 Europa League first leg play-off loss to Celtic.
2 Trouble erupts among AIK fans in the away endCredit: Reuters
2 Cops hold back the angry mob of AIK fansCredit: Reuters
But some unsavoury scenes disrupted the final few minutes of the first-half as the visiting support attempted to burst into the home section.
The brawl was met with a chorus of boos around the stadium as cops and stewards swarmed into the away corner to stop the situation getting out of control.
An eyewitness told SunSport: "The trouble all started when the AIK fans put up a banner and the cops moved in to take it down.
"Punches were thrown and it looked like two stewards took the worst of it.
"I saw two AIK fans being carted away by the police.
"More police moved into the area and there was a really heavy police presence around the fans."
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Police Scotland have been contacted for comment.
It comes after Rangers star Steven Davis was pelted with missiles by Legia Warsaw fans in Poland.
The midfielder was targeted by home supporters in the second-half of tonight's 0-0 Europa League play-off draw.
Davis was pictured picking up what appeared to be a lighter from the grass after it landed near him.
We also told how Legia ultras taunted the travelling support by unleashing a nicked Gers banner and scarf.
Steven Gerrard's side host Legia at Ibrox next Thursday for a place in the group stages, while Celts travel to Stockholm for their second leg.
Meanwhile Fraser Forster was paraded as Celtic's latest signing at half-time after returning on a season-long loan from Southampton.