USA Today cites the Atlantic Council for hosting a Google Hangout discussion with Ukrainian intelligence chief Valentyn Nalyvaichenko:

Ukraine has captured three Russian military intelligence officers and estimates there are at least 100 more Russian military personnel directing unrest in eastern Ukraine, says Valentyn Nalyvaichenko, director of Ukraine’s national security service.

“We detained three GRU officers,” Nalyvaichenko said Tuesday, referring to the Russian Main Intelligence Directorate by its Russian acronym. “They are being interviewed in Kiev and have given us very important information and evidence.”

Ukraine has arrested 21 Russian officials involved with what he called groups of criminals that have taken government buildings and terrorized the citizenry in cities such as Donetsk, Slovyansk and Kharkiv, Nalyvaichenko said, speaking from an office in Kiev in a YouTube appearance for invited reporters that was arranged by the Atlantic Council, a Washington think tank.

Read the full article here.