Niall Coburn

NAB will fight a bid by a $78 million class action over the collapse of Walton Construction to add serious fraud allegations in the four-year-old case, which a judge said has been “mired in a procedural mess”.

A group of contractors have launched a $78 million class action against National Australia Bank, two insolvent units of Waltons Australia and the company’s director, seeking compensation for unpaid work done prior to the company’s collapse.