After overnight missile alerts in Ukraine, the mayor of the western city of Lviv said four people had been wounded and the casualty count was growing.
"At this moment it is known that four are wounded as a result of rocket fire. The number is increasing. The data is being verified," Mayor Andriy Sadovy said in a post on his Telegram channel.
He added that one person in serious condition had been transported by ambulance.
Regional Governor Maksym Kozytskyy said that a critical infrastructure facility in Lviv has been damaged and an apartment building was hit by a Russian rocket.
Kozytskyy said there are victims without specifying, adding the rescue operation is underway.
(With input from Reuters)