(Reuters) – A former U.S. soldier captured in eastern Ukraine said he did not fire a single shot while fighting for the Ukrainian side, in a plea for leniency from separatist authorities who will determine his fate. In a video interview with Russia’s RIA state news agency released on Wednesday, Alexander Drueke said his fighting experience in Ukraine was limited to the day he was captured outside Kharkiv, Ukraine’s second-largest city. “My combat experience here was that one mission on that one day,” said Drueke, looking haggard. “I didn’t fire a shot. I would hope that would play a factor in …