Members of the Public Accounts Committee have denied they're mounting a witch-hunt against Noirin O'Sullivan.

The PAC is considering calling former Garda Commissioners to discuss financial irregularities at the Garda training college in Templemore.

A passing out ceremony at the Garda College, Templemore.

It comes as a third civilian in the force has moved to distance himself from senior gardai over recent controversies.

Juliette Gash reports;