A gunman opened fire on a bus carrying passengers in western Russia, killing four.
The unknown assailant also left three wounded in the Nizhny Novgorod province, according to a local police statement.
Police are still searching for the attacker who fled after the incident.
* Writing by Dilan Pamuk
Copyright 2021 Anadolu Agency. All rights reserved. This material may not be published, broadcast, rewritten, or redistributed.