Two adults and two children were injured after a Russian drone hit a residential building on Sunday, Sumy authorities said.

Russia attacked Ukraine with 810 drones and decoys, Ukraine's Air Force said.

Yuriy Ihnat, a spokesperson for Ukraine’s Air Force, confirmed to The Associated Press that Sunday’s attack was the largest Russian drone strike since the full-scale invasion of Ukraine began. Russia also launched 13 missiles of various types.

Ukraine shot down and neutralized 747 drones and 4 missiles, according to a statement from the Air Force.

Hits from nine missiles and 54 drones were recorded at 33 locations across Ukraine, and the debris of shot down targets fell at eight locations, the Air Force said.