Linked ITAR-TASS source says that the rise in that week was just 0.05 roubles per liter with the price around 55 roubles. Not sure where the 10% figure comes from, either some other source was used, or it was not translated correctly (mistook “5 копеек” (.05 rub) for 5 roubles)
Putin’s fuel problem: How Ukraine is sapping Russia’s diesel and gasoline (www.politico.eu)
Ukraine is taking out oil refineries inside Russia, cratering Moscow’s supplies and sending local prices soaring....