Manchester City have been charged by UEFA after fireworks were set off during their 1-0 Champions League quarter-final, second-leg win over Paris St Germain on Tuesday night.
City beat PSG 3-2 on aggregate to advance to the tournament's semi-finals.
"Disciplinary proceedings have been opened following the UEFA Champions League second-leg quarter-final between Manchester City FC and Paris St Germain (1-0) played on April 12 in England," European football's governing body said in a statement.
"Charges against Manchester City FC: Setting off of fireworks - Art. 16 (2) of the Uefa disciplinary regulations."
UEFA's disciplinary body will hear the case on May 19.
(For more sports news and updates, follow Ahram Online Sports on Twitter at @AO_Sports and on Facebook at AhramOnlineSports.)