The movement of all trains on Baku-Moscow railway was suspended because of the threat of in the southern part of Mahachkala due to an explosion threat.
A suspicious object resembling a homemade explosive device was found on the tracks during an inspection on Friday morning, the Interior Ministry of the Republic of Dagestan told Itar-Tass.
Now special services are working on the scene, the area is inspected for signs of other explosive devices.
The movement of all trains is temporarily halted at Mahachkala section of the North-Caucasian railway. The place of the alleged incident is cordoned off and explosives experts are working there.