Russian officials are warning Putin that a financial crisis could arrive this summer, report says FortuneSanctions having ‘significant impact’ on Russian economy, says EU special envoy The GuardianRussia’s January Budget Deficit Hits Nearly Half of Annual Target The Moscow TimesThe Russian economy is finally stagnating. What does it mean for the war – and for Putin? The GuardianExclusive: Russia’s budget deficit may almost triple this year as oil revenues decline Reuters