The English federation (FA, for its acronym in English) has opened a file on Cristiano Ronaldo for the embarrassing incident that occurred at Goodison Park in which he violently hit the mobile phone of a 14-year-old fan and crashed it to the ground after a 0-1 loss against Everton in April.

"The striker's conduct after kick-off was inappropriate and/or violent," the FA said in a statement. United responded by assuring that they will support the Portuguese in this accusation.

The player apologized through his social networks after the incident, excusing himself that "it was never easy to deal with emotions in difficult times" like the one United was going through, whose defeat against Everton (1-0) left him seventh in the Premier League standings.

In his apologetic Instagram post on Saturday, Ronaldo added: "I would like to apologize for my outburst and if possible I would like to invite this fan to watch a match at Old Trafford as a sign of fair play and sportsmanship."

The incident was also the subject of an investigation by Merseyside Police.