A retired priest jailed for indecently assaulting a schoolboy in the 1970s has had his conviction quashed over a trial judge's decision not to warn the jury about the dangers of convicting in the absence of corroboration.

An 82-year-old former principal and priest yesterday denied 12 counts of indecently assaulting children at Colaiste Chroí Naofa school in Carrignavar around 40 years ago.

Three former teachers at a Cork boarding school have appeared in court charged with indecently assaulting a number of pupils at the school over a 20-year period.