Mumbai, May 27 -- Crude oil futures traded slightly lower at $61 per barrel, while MCX June crude fell to Rs.5253 per barrel, as investors weighed easing US-EU trade tensions against concerns of rising OPEC+ supply. President Trump's move to delay 50 percent tariffs on European imports until July 9 reduced immediate demand fears. However, geopolitical uncertainty returned after Iran refused to suspend uranium enrichment, casting doubt on the prospects of a nuclear deal. This could lend some support to prices. Meanwhile, focus is shifting to the OPEC+ meeting later this week, where the group is expected to finalize July output plans. Reports suggest the alliance may increase production by 411,000 barrels per day, following its earlier decisi...