"At kilometer 275 along the St.Petersburg-Nevel highway, 1.2 miles to the Podbrovye settlement, a bus believed to have been carrying 49 Belarusian nationals slid off the road and flipped over," a representative of the emergency services said.
They said 19 passengers had sustained injures, including three children, and been transported to a local hospital.
Further details about the road accident are currently being determined.