Trouble erupted at the Ryan McBride Brandywell Stadium during a European football fixture on Thursday, beginning before kick-off when rival fans clashed on Bishop Street. The violence intensified during the second half, prompting spectators including young children to seek refuge on the playing surface whilst the match was halted. Police entered the stadium at the club's request, deploying officers into the stands and maintaining a heavy presence throughout the evening to enable the fixture to continue to completion.

Local political figures and eyewitnesses condemned the incidents as unacceptable and alarming, emphasising concerns about family safety within the stadium. UEFA announced it would investigate the conduct of both teams and announce findings the following week, whilst observers questioned whether existing security arrangements at the venue were sufficient to prevent such disturbances recurring.