EnergiRussian gas payment demands in ‘breach’ of sanctions, EU warnsCompletion of energy deals in roubles would fall foul of ban on central bank transactions.The EU believes that accepting completion of gas deals in roubles, as Putin has demanded, would mean involving Russia’s central bank in the transactions, which would violate the sanctions imposed on the Russian financial systemFoto: Mikhail Klimentyev/AP/NTBValentina Pop (FT)Andy Bounds (FT)