Uefa has initiated disciplinary proceedings against Chelsea, Didier Drogba and Jose Bosingwa for their behaviour in the UEFA Champions League semi-final against Barcelona.
The European governing body has taken action following the second leg of the tie, which took place at Stamford Bridge at the beginning of May.
Chelsea have been charged with the improper conduct of their players and for the behaviour of their fans, who are alleged to have hurled objects from the stands.
Drogba and Bosingwa are facing possible punishment in the wake of their much-publicised, angry reactions towards match referee Tom Henning Ovrebo.
A Uefa statement read: "The club are charged with the improper conduct of their players and the throwing of missiles by their supporters, while Drogba and Bosingwa are accused of being in breach of the principles of sportsmanship by insulting the referee by making offensive comments.
"The club and the individuals concerned have been requested to file a statement by Friday, 29th May. The Uefa control & disciplinary body will deal with the case on 17th June."
Barcelona went through to the final on away goals after drawing the match 1-1 but Chelsea claimed they should have had up to four penalties.