Racing at Dundalk on Friday night had to be abandoned after two races due to a serious medical emergency.
A man fell ill in the parade ring and after being attended to for some time was taken by ambulance to hospital in Drogheda.
He is reported to be a member of the Irish Horseracing Regulatory Board’s security team.
A statement issued by the IHRB said: “Due to a serious medical incident at Dundalk this evening's racing has been abandoned.”