Postal unit at Perth Airport evacuated after discovery of suspicious package

Updated April 17 2014 - 10:08am, first published April 16 2014 - 6:50pm
Bomb scare outside NSW Parliement  (Video Thumbnail)
Bomb scare outside NSW Parliement (Video Thumbnail)

Police are investigating a fourth suspicious mail package and have cordoned a Riverton shopping centre just hours after the Perth Mail Centre was evacuated.