By Dan Peleschuk KYIV (Reuters) -Russia shelled Ukrainian towns across a long stretch of the frontline from north to south, Ukrainian officials said on Friday, a day after Moscow fired dozens of missiles in its latest barrage against critical infrastructure. Air attack sirens blared overnight into Friday in the capital Kyiv, and Reuters heard several explosions and the sound of anti-aircraft fire south of the city as Russian forces fired 16 Iranian-made Shahed drones, the officials said. The Ukrainian military said all the drones had been destroyed. Seven had targeted Kyiv, where an administra…