March 6 (Reuters) - Rio Tinto RIO.AX, RIO.L said on Thursday it will invest $1.8 billion to develop its Brockman Syncline 1 iron ore project in the Pilbara region of Western Australia.
(Reporting by Sameer Manekar in Bengaluru; Editing by Rashmi Aich)
((Sameer.Manekar@thomsonreuters.com; Twitter: https://twitter.com/sameer_manekar))