An explosion on a bus has killed at least two passengers and wounded five others on Sunday, Interfax news agency reported.
The explosion occurred at a bus station at some 4:30 p.m. local time (1330 GMT) in the town of Nevinnomysk, in southwestern Russia's Stavropol region, Interfax reported citing local emergency situations ministry sources.
"Two people have been taken to a trauma center and three people have been taken to the hospital's admission department. Their injuries are being examined," local public health ministry source said.
Police is investigating the cause of the incident, which was followed by a fire.