MAKHACHKALA, March 30. /TASS/. Three landmines exploded on Tuesday evening on the way of a police motor convoy in Dagestan. The total yield of the explosives was equivalent to 8 kg TNT, a source in the republic’s law enforcement agencies told TASS on Wednesday.
"The bomb experts have found out that there were three landmines. One had the yield of 5 kg TNT and two others - 1.5 kg TNT each. All the three landmines exploded," the source added.
A criminal case has been opened under four articles of the Russian Criminal Code over the motor convoy explosion in which one policeman was killed and two injured.
According to investigators, two explosive devices planted on the roadside on the 869th km of the Kavkaz federal highway were set off on March 29 at around 20:30 when a police motor convoy was driving by.
A source in the republic’s security service told TASS on Wednesday that militants of a local gang are involved in the motor convoy explosion. "Militants from the so-called Khushet gang (from Makhachkala’s suburb Novy Khushet) are suspected of this crime," he said.
According to the source, the police are ascertaining whether militants of this gang have sworn allegiance to the Islamic State terrorist organization.