Crude oil futures posted weekly gains for the first time in three weeks, with little sign of progress toward a peace deal to end the war in Ukraine.

Ukraine has stepped up drone attacks on Russian oil refineries and exporting infrastructure, striking the most important sector of President Vladimir Putin's economy to show it can fight back as the United States seeks to broker a peace deal.

According to calculations by the news agency Reuters, Ukrainian attacks have disrupted the operation of at least 17% of Russia’s oil refining capacity. Source: Reuters Details: Reuters reports that Ukraine recently targeted ten refineries,