(Reuters) – Ukrainian President Volodymyr Zelenskiy and military officials said the country’s forces shot down three Russian Su-34 fighter-bomber aircraft on Friday on the southern front, hailing it as a success in the 22-month-old war. The Russian military made no mention of the incident. But Russian bloggers acknowledged the loss, and analysts suggested U.S.-supplied Patriot missiles had probably been used. Reuters could not independently confirm the reports. “Today at noon in the southern sector — minus three Russian Su-34 fighter-bombers!” Ukrainian Air Force Commander Mykola Oleshchuk wr…