ISTANBUL Ukraine said on Monday that at least four people were killed and 15 others injured in overnight Russian airstrikes that targeted the country’s northeastern Kharkiv and southwestern Odesa regions. “According to preliminary data, three people were killed, 13 more were injured, including four children,” said a statement by Ukraine’s State Emergency Service (DSNS) on Telegram, which noted that missile strikes targeted a residential area in the city of Balakliia, situated about 70