Watching the price tick higher as he filled up his car, Russian pensioner Oleg railed against the recent surge in petrol prices, pushed higher by Ukrainian strikes on Russia's oil infrastructure.

Kyiv has been targeting Russian refineries for months, calling the attacks fair retribution for Moscow's own barrages and an attempt to cut off energy revenues that fund Russia's army.

Originally published on doc.afp.com, part of the BLOX Digital Content Exchange.