In the Russian city of Rostov-on-Don, residents in about a dozen buildings have been left without electricity. Some of these buildings also lack water and heating, reports the SHOT Telegram channel. According to a source, power outages in the city began yesterday during the day, and in some buildings, heating and water were also cut off in the evening. Accidents at power substations led to a partial power outage in Rostov-on-Don. Energy officials have promised to restore electricity in the affected buildings soon, but the timelines have been repeatedly delayed. “The partial blackout was caused…