(Reuters) -Russian attack drones hit civilian targets in Ukraine’s second largest city, Kharkiv, on Tuesday, slightly injuring three people, triggering a fire and causing damage to apartment blocks and infrastructure, local officials said. Kharkiv Mayor Ihor Terekhov said windows had been blown out of two high-rise apartment blocks in the city’s Slobidskyi district and several cars destroyed. He earlier said a fire had broken out in one of the blocks. Kharkiv Region Governor Oleh Synehubov said there had been a number of strikes in two city districts and civil infrastructure had been damaged. …