Security has been tightened across Russia after two powerful blasts tore through the Moscow metro system on Monday morning, killing at least 37 people.
Russia could still deploy Iskander missiles in its exclave on the Baltic Sea if new threats emerge in Europe, Russian Defense Minister Anatoly Serdyukov warned on Friday.
Two Russian experts who planned to hold a meeting with their Georgian colleagues on December 1-3 were refused entrance into the country at Tbilisi International Airport, national media reported.