UPDATE 1 — Kremlin accuses Ukraine of flouting spirit of US peace efforts with strikes on Russian oil refineries
(Adds quote and background in paragraphs 5-6) MOSCOW, Oct 15 (Reuters) — The Kremlin on Thursday said that Ukrainian strikes on Russian oil refineries ran counter to US peace efforts, after a Ukrainian drone struck a refinery in Russia's Ryazan region overnight. US President Trump declared an energy ceasefire on Sunday