"As a result of an accident involving a truck and two cars in the Derbent region of Dagestan, four people were previously killed, and the same number were injured," TASS quotes a representative of the regional Ministry of Internal Affairs.
The truck driver is in serious condition, law enforcement officers are investigating the circumstances of the incident.
Earlier it became known about the accident in the Kemerovo region, which killed three people.
In addition, five people were taken to the hospital with injuries of varying severity.