'The Iran war strengthened Ukraine. Could a ceasefire with Russia be closer?'

"Crude oil export data suggests the rise in prices, plus the easing of American sanctions on countries buying Russian oil, boosted Russian revenues to 2.3 times their December-February levels in the third week of the Iran war. But in the fourth week, Ukrainian drone strikes on energy-producing infrastructure reduced Russia's earnings by $1bn, eradicating around two-thirds of the previous week's gains."