Ukrainian officials said they were moving ahead with an operation against pro-Russian separatists in the country's east on Friday, but that troops wouldn't storm Slovyansk, the heart of the insurgency, because of the risk of civilian casualties.
Ukrainian officials said they were moving ahead with an operation against pro-Russian separatists in the country's east on Friday, but that troops wouldn't storm Slovyansk, the heart of the insurgency, because of the risk of civilian casualties.