Labour leader <a gi-track='captionPersonalityLinkClicked' href=/galleries/search?phrase=Bill+Shorten&family=editorial&specificpeople=606712 ng-click='$event.stopPropagation()'>Bill Shorten</a> is seen during a street walk on May 25, 2016 in Melbourne, Australia. A Queensland bank has threatened legal action over Mr Shorten's 'putting people first' campaign slogan, which they believe gives people the impression the bank is affiliated with the Labor party.