Jan 24 (Reuters) - Rio Tinto (LON:RIO) Ltd RIO.AX
* Announces an increase of Rio Tinto Coal Australia's managed thermal coal resources at Mount Thorley Warkworth in New South Wales, Australia
* Increase in resources compared to previous estimates reported in rio tinto's 2015 annual report Source text for Eikon: ID:nASX4v9PlV Further company coverage: RIO.AX