Ukraine has also been beset by a shortage of US-made Patriot interceptors used to defend against Russian missiles – a situation that Russia has exploited to intensify strikes on Ukrainian targets.
Overnight and into Sunday morning Russia hit energy infrastructure in Zaporizhzhia and the Sumy, Odesa, Zhytomyr, and Kirovohrad regions, Ukraine said.
It also struck railway infrastructure in the Dnipro, Kharkiv, and Zaporizhzhia regions.
Scores of people are said to have been hurt in those attacks, as well as two in the Donetsk and Kyiv regions.
Two people were killed in an attack on an infrastructure facility in Chernihiv Region’s Mena, governor Vyacheslav Chaus said.
Multiple strikes were also delivered on energy facilities across the region, he added on Telegram.
Ukraine meanwhile said it had carried out strikes on a petrochemical plant and an oil refinery in the central Russian city of Nizhnekamsk.
“On the night of November 15, units of Ukraine’s Defence Forces reached Nizhnekamsk in Tatarstan,” the military said on Telegram.
“Two enterprises that feed the Russian war with raw materials and fuel came under attack.”
Other Ukrainian strikes killed one person in Taganrog, an industrial port city near the border, regional governor Yuri Slyusar said.
In the occupied Luhansk region a lorry driver and an elderly woman were also killed, Leonid Pasechnik, the regional leader installed by Moscow said.
Meanwhile Estonia has announced it will shut its border crossing points with Russia from 1 December following a suspected sabotage attack on a defence company.
Eight people were detained over an attempted arson attack on drone maker Threod Systems.
The Estonian authorities say they had been ordered by Russia’s GRU military intelligence service to try and carry out the attack. Russia has not commented.
“Russia must understand that hostile actions against Estonia come with consequences,” Foreign Minister Margus Tsahkna said.