According to Ukrinform, the Sumy Region Police reported this on Facebook.
Police investigative teams and explosive ordnance disposal specialists worked at the attack sites.
In the Berezivka community, a 59-year-old man and a 51-year-old woman were injured when a Russian drone struck the area.
In the Shostka community, a 41-year-old man and two 57-year-old men were injured in UAV attacks.
In the Okhtyrka community, a 39-year-old man was injured in a Russian drone strike.
Read also:Driver injured after drone strike near vehicle in Kherson region
In the Chernechchyna community, a 37-year-old man and a 43-year-old man were injured in another enemy drone attack.
In the Sumy community, the victims included women aged 27 and 35, men aged 32, 39, and 57, as well as a seven-year-old child.
Investigators have opened criminal proceedings in all cases under Article 438 of the Criminal Code of Ukraine (war crimes).
As Ukrinform previously reported, 13 civilians were injured in Sumy following a Russian air strike during the night of August 6.