The number of people injured as a result of Russia's attack on the five-story building of a geriatric center in Sumy increased to twelve, the Interior Ministry of Ukraine has said on Thursday.

"One person was killed, twelve were wounded. Some 147 people were evacuated from the building. There are no people under the rubble," it said on the Telegram channel.

The technical and the fifth story of the building were partially destroyed as a result of the attack.

Earlier, one dead and nine injured were reported.