Fans at the Luzhniki Stadium during Croatia's win over England

FIFA has opened disciplinary proceedings against the Football Association following a report of possible discriminatory chanting by England fans during Wednesday night's World Cup semi-final with Croatia.

The governing body announced the news on Thursday, though precise details of the allegations are unknown.

Understand investigation DOES relate to chanting of "no surrender" plus other potentially discriminatory songs. — Richard Conway (@richard_conway) July 12, 2018

"We can confirm that a report has been filed through the anti-discrimination monitoring system in relation to chants of a possible discriminatory nature by English fans at yesterday's match," a statement read.

"Subsequently, disciplinary proceedings have been opened against the Football Association. Further updates will be communicated in due course. As proceedings are ongoing, please understand we cannot comment further at this stage."

Wednesday's game saw the largest presence of England fans at the World Cup to date, although the Three Lions' hopes of a first World Cup final appearance since 1966 were ended by a 2-1 extra-time defeat.

England conclude their tournament with a third-fourth play-off against Belgium on Saturday.

PA Media