"In the Nizhny Novgorod Region, the police detained in hot pursuit a man, who may be involved in blowing up the car carrying Zakhar Prilepin," the ministry's statement read.
The suspect is of Ukrainian origin, according to preliminary information, a law enforcement source told Sputnik.
Earlier in the day, Prilepin's car was blown up on the highway in the Nizhny Novgorod Region, as a result of which the driver was killed and the politician was injured, a law enforcement source told Sputnik.