Russian news agencies say six Russian national guard troops and six assailants have been killed in an attack on a military unit in Chechnya.
RFE/RL: Reports say six Russian troops, six militants killed in Chechnya fighting
(FILES) Russian military troops take part in a military drill on Sernovodsky polygon close to the Chechnya border, some 260 km from south Russian city of Stavropol, on March 19, 2015.
