Irish banking faces another overcharging scandal, as EBS investigates the way it has bundled charges for building and life insurance payments and mortgage protection insurance into its monthly mortgage bills.

KBC Bank Ireland has confirmed that it will not challenge customer complaints in relation to the tracker mortgage scandal on the basis of time limits.

Former junior finance minister Brian Hayes has asked the EU to investigate if Irish banks operated a “cartel” in the tracker mortgage scandal and if they collaborated in ripping off thousands of customers.

Latest: The tracker mortgage scandal has brought heartbreak to countless Irish families and shattered people's trust in the country's banks, the Tánaiste has said.