This looks like it's been coming for a while:
http://www.smh.com.au/business/debtladen-shopping-centre-for-sale-20101116-17vw2.html
http://www.smh.com.au/business/receivers-called-in-as-huge-top-ryde-shopping-centre-runs-up-700m-debt-six-months-after-opening-20110217-1aybl.html...