Hibs are investigating alleged racial abuse towards Hearts striker Uche Ikpeazu from the home support in Sunday's Edinburgh derby at Easter Road.
The incident, which follows a number of ugly incidents in the fixture last season, came during the second half of the highly-charged match which Hearts won 2-1 after fighting back from a goal down.
English frontman Ikeazu netted the equaliser for the Jambos who jumped off the bottom of the tale and above their arch rivals with the victory.
But a section of footage from the Hibees TV match day vlog appeared to catch a supporter in the Main Stand at Easter Road calling the 24-year-old a "monkey".
A Hibs spokesman told Edinburgh Live: “Hibernian Football Club condemns any form of racist behaviour. We are aware of the clip in question and will be reviewing it with our safety and security team.”
Last season's fixture was marred by a number of ugly incidents including then-Hibs boss Neil Lennon being struck by a coin at Tynecastle and Hearts keeper Bobby Zlamal being punched by a Hibs fan in the same game.
A 65-year-old man charged over a racial slur towards Hearts’ Clevid Dikamona during the Jambos' 1-0 win at Easter Road last December.
Former Hibs midfielder Marvin Bartley was then the victim if racial abuse at Tynecastle in April. A 19-year-old man was arrested and charged in connection with a hate crime following the incident.
The match was also marred by a coconut being thrown on to the pitch from the stands.
