Bus crash kills two, injures 10
The buses collided about 140 kilometers from the region's capital, Volgograd.
RIA Novosti news agency reported that a bus with two drivers, but no passengers, on board collided head-on with another bus that was carrying 59 people.
The driver of the latter vehicle died on the spot, while 8 passengers were taken to hospital. One of the passengers later died of trauma in the hospital.
A criminal case has been launched on charges of violating road rules which led to two or more deaths.