Russian forces struck a market in the centre of Chornomorsk, in Odesa region, during the day on 11 November. One person was killed and four were wounded, said Oleh Kiper, head of the Odesa regional military administration.
Two of the wounded are in serious condition. "Doctors are fighting for their lives," Kiper said.
"The enemy carried out a treacherous strike on the market in central Chornomorsk. It is a place that is always crowded at this time," he said.
The strike also damaged homes and cars around the market.
Earlier in the morning, Kiper reported an attack on energy sites in Odesa region that killed a 70-year-old woman. Damage to energy sites from the evening of 10 November and the morning of 11 November caused emergency power cuts in several districts of the region.