Police investigating tunnel fracas between fan and Euro 2024 stewards

German police are investigating an incident at the European Championship last-16 match between Portugal and Slovenia. Video footage on social media shows a fan being assaulted by stadium security staff. The incident occurred in the tunnel at the Frankfurt Arena on July 1. The video shows the fan being punched and kicked by stewards. Another fan is restrained on the floor. UEFA has announced increased security measures for Euro 2024 following pitch invasions during a previous match. Portugal won the match against Slovenia on penalties after a 0-0 draw.