** Australian copper miners climb, tracking gains in underlying commodity prices
** Copper prices rose overnight after Donald Trump rescinded his threat of 50% tariff on imports from the European Union from June 1, buoying market sentiment MET/L
** Sandfire Resources SFR.AX gains as much as 4.8% to A$11.55, highest since March 26
** Canada-based miner Capstone Copper Corp's ASX-listed shares CSC.AX advance as much as 7.6% to A$8.49, highest since March 31
(Reporting by Nikita Maria Jino in Bengaluru)
((Nikita.Jino@thomsonreuters.com;))