Rob James apologises after video emerges of jockey jumping onto dead horse

"I am heartbroken by the damage I have caused and will do my best to try and make amends to those hurt by my conduct."

Rob James rode a winner at the Cheltenham Festival last year. Picture: Healy Racing

Jockey Rob James has apologised after a video showed him jumping onto the back of a dead horse.

The Irish Horseracing Regulatory Board has confirmed they have commenced another investigation into the video circulating on social media.