(Reuters) – The mayor of the southern Russian city of Voronezh declared a state of emergency on Tuesday after what officials said was a Ukraine-launched drone attack that damaged several buildings and wounded a child. People from at least one apartment building were evacuated to a nearby school after drone debris sparked a small fire and blew out windows, Mayor Vadim Kstenin said on the Telegram messaging app. Windows in other buildings were also shattered, he said, adding: “The introduced state of emergency in the city will … allow for a prompt implementation of measures to replace them.” T…