Sevastopol was temporarily left without power supply after an attack by Ukrainian drones, said Governor Mikhail Razvozhayev.
An air raid alert was declared in the city at 22.19 Moscow time.
In an official message on the governor's Telegram channel, it is stated that as a result of an enemy attack on the energy infrastructure, the city is temporarily without power.
Razvozhayev noted that air defense forces, aviation, and mobile fire groups are repelling the attack.
A special regime has been introduced at facilities, specialists are assessing the scale of damage and making every effort to restore power supply. All emergency services are on full alert, he added.
Source: RIA Novosti