Gunmen killed two policemen in the south Russian region of Karabino-Balkaria on Sunday, Russian news agencies reported, the second attack on security forces this month in the area. Karabino-Balkaria is a few hours drive from Chechnya, the centre of fighting between rebels and Russian forces in two wars since 1994.
The attackers shot the two policemen as they guarded a scientific research station in a remote village in the Caucasus mountains, Interfax news agency said.