A chief superintendent has denied he wrote that a whistleblower Garda made up a claim that an alleged heroin dealer, accused of colluding with drug gardaí, was driving around the whistleblower's midlands home.

A Garda chief superintendent has denied targeting and humiliating a whistleblower who worked in his station.

AN internal garda inquiry is under way in Thurles into the stamping and signing of supplementary voting registers which were not presented by voters themselves but by local election candidates.