Oil prices rose on Monday as Iranian nuclear talks appeared to hit obstacles and an embargo on Russian oil shipments loomed, with tight supply struggling to meet still robust demand. Brent crude futures rose 92 cents, or 1%, to $93.76 a barrel by 0910 GMT. U.S. West Texas Intermediate crude was up 71 cents at $87.50 a barrel, or 0.8%. Prices were little changed last week as gains from a nominal supply cut by the Organization of the Petroleum Exporting Countries and allies including Russia, a group known as OPEC+, were offset by lockdowns in China, the world’s top crude importer. France, Britain and Germany on Saturday said they had “serious doubts” about Iran’s intentions to revive a nuclear deal, in a […]