The number of people who were reportedly killed while waiting in a queue for bread in the northern city of Chernihiv has now risen to 13, according to a senior official.
Police Chief Vladimir Nidzelsky said the victims died after shells hit a high-rise building, before falling to the ground below.
Officials had previously confirmed 10 deaths as a result of the bombing, which happened around 10:00 local time on Wednesday.
Dozens more were injured, according to Nidzelsky.
