MOSCOW (Reuters) - The chief of the Russian general staff voiced concern on Friday to the top U.S. military officer over the situation in southeastern Ukraine and the loss of life in a Ukrainian operation there this week, the Interfax news agency reported.
In a telephone call, Russian General Valery Gerasimov also told U.S. General Martin Dempsey that Ukraine had deployed a "substantial group of forces" near the Russian border, including troops whose purpose was to conduct sabotage, Interfax said.
