Dec 23 (Reuters) - Shopping centre owner Scentre Group SCG.AX said on Tuesday that the Australian Retirement Trust would acquire a 20% stake in Westfield Sydney shopping mall for A$864 million ($575.68 million).
($1 = 1.5008 Australian dollars)
(Reporting by Sameer Manekar in Bengaluru; Editing by Subhranshu Sahu)
((Sameer.Manekar@thomsonreuters.com;))