Gordon Elliott in March 2020
There is no suggestion that the footage is connected in any way to the incident involving Elliott.
Elliott, a three-time Grand National-winning trainer, was suspended from British races on Monday pending an investigation by the The Irish Horseracing Regulatory Board (IHRB) over the snap.
The probe is looking into an image on social media showing Elliott sitting on a horse that had just died of an apparent heart attack after a training run.
Racing authorities in Britain and Ireland have condemned the undated photograph, which Elliott confirmed in a statement on Sunday evening was genuine.
The 42-year-old County Meath trainer has apologised “profoundly for any offence that this photo has caused”, while seeking to explain what he said was the context of events that led to the picture.
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He said he was waiting for the body of the animal to be taken away when he got a phone call and sat down on the horse without thinking.
The IHRB has launched a full investigation – and while Elliott is licensed in Ireland, the British Horseracing Authority said it was “appalled” by the image and was “considering its own regulatory options”, but has now acted.