Ukraine launched massive drone assaults against Russia this week, hitting key oil infrastructure and signaling Kyiv intends to block the Kremlin from increasing diesel exports in defiance of President Donald Trump.

More than 1,000 Ukrainian drones targeted Russia on Sunday alone in one of the largest attacks this year, according to state media reports. The strikes set ablaze an oil export terminal in St. Petersburg, Russia's second-largest city and President Vladimir Putin's hometown.