NEWS.com.au | Island authority knew Rottnest jetties were crumbling NEWS.com.au THE Rottnest Island Authority has been aware of its crumbling jetties for several years, with its boating management strategy indicating the deteriorating Army Jetty needs to be replaced. The long-term strategy released in 2014 recommended “substantial ... Rottnest Island jetty collapse: Mum held injured son's head above water Mum with broken ankle held up unconscious son's body after jetty collapse Call for Rottnest Island jetty fix cash |