Oct 29 (Reuters) - Russia downed most of 613 drones heading towards Moscow overnight, Mayor Sergei Sobyanin said on Telegram on Thursday.
In Ukraine, meanwhile, Russia attacked Kharkiv, the country's second biggest city, damaging an educational institution, Mayor Ihor Terekhov said on Telegram.
(Reporting by Jekaterīna Golubkova in Tokyo; Editing by Tom Hogue)