According to local authorities, the accident occurred in the area of Kuenga station in Sretensky district.
An agency source in emergency services said that, according to preliminary data, the bus belongs to a travel company.
According to the source, it was estimated that there were 43 passengers and a driver on the bus.
Earlier, Realnoe Vremya reported that the Tatarstan prosecutor’s office began checking for an accident with a minibus on the Zainsk-Naberezhnye Chelny highway.