UPDATE 2-BHP cuts 2018 iron ore forecast, cites rail car upload problems
April 18, 2018 at 22:21 PM EDT
MELBOURNE April 19 (Reuters) - BHP Billiton Ltd cut its 2018 fiscal year iron ore output guidance on Thursday citing issues in its railroad car unloading system, while also slightly raising its copper output expectations given higher production at the Escondida mine.