Energy facilities in eastern and southern Ukraine were damaged due to shelling by Russian occupiers, Energy Minister Herman Halushchenko said.
"Another wave of massive Russian shelling of energy infrastructure. Energy facilities both in the east and in the south of the country have already been damaged. The shelling continues," the official wrote. According to him, there may be a shortage of electricity generation. There will be emergency blackouts.
Russians struck at least three times at critical infrastructure in Kharkiv Region.
As a result of the enemy missile attack, Kharkiv is completely blacked out. All invincibility centres, where you can warm up and charge your devices, are functioning in the city.
The power supply was cut off in Poltava as well.
There are hits in Kryvyy Rih as a result of the attack by Russian missiles, said the mayor of the city Oleksandr Vilkul.
According to the Deputy Head of the Presidential Office Kyrylo Tymoshenko, a residential building has been destroyed. There may be people under the rubble, emergency services are working at the site.
12 missile strikes were carried out on Zaporizhzhya, said the secretary of Zaporizhzhya City Council Anatoliy Kurtev.
Later, the head of Zaporizhzhya Regional Military Administration Oleksandr Starukh reported about 15 missile strikes on the region.
Air defence worked in Kyiv Region during the air raid.
Later, the mayor of Bucha Anatoliy Fedoruk said that one of the enemy missiles was shot down near the town.
Air defence was also triggered in Poltava Region.
During the alarm, there were explosions in three districts of Kyiv. First - in Desnyanskyy, then - in Dniprovskyy, around 9:30 - in Holosiyivskyy, said Kyiv Mayor Vitaliy Klitschko.
According to the head of KCMA Serhiy Popko, it was the air defence working.
In Kyiv, the underground traffic on all lines was completely stopped. Underground stations are used as shelters.
Water supply disruptions were reported in all districts of Kyiv.
"Due to damage to the energy infrastructure, there are interruptions in water supply in all districts of the capital. Specialists are working to stabilise the system. Just in case, prepare a supply of drinking and technical water," the administration urged.
As a result of damage to the energy infrastructure, several railway stations in Kharkiv, Kirovohrad, Donetsk and Dnipropetrovsk regions were de-energized, the press service of Ukrzaliznytsya reports.
"Currently, passenger electric trains in these regions will run using backup diesel locomotives. Stay calm, and follow the updates on the official channels of Ukrzaliznytsya and railway stations", the message says.
Boarding and disembarking take place through underground passages.
Today's strikes are the second massive Russian missile attack on Ukrainians in December. The previous one took place on 5 December, and most of the missiles were shot down.