Mumbai, Feb. 25 -- Crude oil prices extended gains as the US imposed fresh sanctions on Iran, targeting brokers, tanker operators, and firms in China, UAE, India, and Hong Kong. This second wave of restrictions aims to curb Iran's crude exports, fueling concerns over tighter global supply and pushing WTI above 71 dollars per barrel. Meanwhile, traders monitored developments in the Ukraine conflict, as a potential peace deal could ease sanctions on Russia and increase its oil exports. At the same time, reports of a possible resumption of oil shipments from Iran's Kurdish region added a layer of uncertainty to the supply outlook. Despite geopolitical tensions, the market remains volatile as investors assess the overall impact on global oil fl...