Ceferin said there was a range of sanctions available, up to and including exclusion from all European competition.
UEFA have announced that the Atatürk Olimpiyat Stadı in Istanbul will host the 2019/20 Champions League final.
Arsenal fans described Spanish police as "violent uniformed thugs" in a letter sent to the country's UK ambassador, UEFA and supporters' groups.
AC Milan have been referred to the adjudicatory chamber of the UEFA club financial control body for an alleged breach of FFP regulations.
Thousands of fans lined the streets to salute Atletico Madrid players as they paraded through the city to celebrate their Europa League title.
French club Lyon have filed several complaints against Marseille fans following damages to their stadium during Wednesday's Europa League final.
ESPN International has retained the broadcast rights to the Champions League, Super Cup and Europe League in Spanish-speaking Latin America.
UEFA are taking disciplinary action against both Atletico Madrid and Marseille for failing to control their fans during the Europa League final.
PSG couldn't resist revelling in Marseille's woes after their domestic rivals were roundly beaten by Atletico Madrid in the Europa League final.
French police carried out over 20 arrests as trouble flared before and after Marseille's Europa League final defeat to Atletico Madrid on Wednesday.
Torres has won the World Cup, European Championship and Champions League but said winning a trophy with Atletico Madrid tops the lot.
Europa League matchwinner Antoine Griezmann would not discuss his future after Atletico Madrid beat Marseille 3-0 to secure the trophy in Lyon.
Atletico Madrid were comfortable winners in the Europa League final, thanks in large to a brilliant individual performance from Antoine Griezmann.