At least 15 people were killed including 12 police officers and rescue workers in a double car bombing in Russia's North Caucasus, the deadliest militant strike for months in the troubled region, officials said Friday.
Blasts wounded more then 120 people ,80 people were hospitalized, at least 15 of them were in a grave condition, the agencies said.
The first blast went off on the outskirts of the city of Makhachkala in the republic of Dagestan at about 10:10 p.m. local time near a police post in Makhachkala, the capital of Dagestan.
A car laden with explosives detonated by the driver when police tried to stop it for a security check.
The second car bomb went off 15 minutes later hitting policemen, rescue workers and passers-by who gathered had at the scene, investigators said.
The blasts were a huge blow to Kremlin hopes of restoring relative stability to a region that has been a headache for Moscow since the collapse of the USSR.
No one has claimed responsibility for the deadly blasts so far.