PM mentioned in Panama Papers, as Shorten celebrates birthday on campaign trail

Day four (Thursday) of the eight-week federal election campaign saw both leaders of the major parties forced to answer difficult questions off-script from their policy announcements. The Prime Minister has denied any wrongdoing after being named in the so-called Panama Papers. And opposition leader Bill Shorten faced questions on asylum seeker policy. Mo Lin reports.

Federal Labor leader Bill Shorten is joined by his wife Chloe on the campaign trail. Source: AAP