Roma defender Gianluca Mancini under investigation for celebrating win Lazio by waving big rat flag

Italian soccer federation has opened an investigation into Roma defender Gianluca Mancini’s celebrations at end of Saturday’s capital derby which saw player waving a huge flag in Lazio colors that also h a giant rat painted on it.

Mancini, who said he was “ happiest man in world” after his goal gave Roma a 1-0 win over Lazio in Serie A, joyously celebrated with rest of his team in front of Giallorossi fans but sparked controversy when he was seen waving flag.

“I didn’t want to offend anyone, I took first flag y gave me," Mancini said. "I apologize.”

FIGC president Gabriele Gravina confirmed to Italian media on Sunday that federation h opened an investigation.

27-year-old Mancini faces a potential fine but could also risk a suspension.