
“Unfortunately one person died,” Alexei Kuznetsov, a senior official at the regional health ministry, was quoted as saying by the Interfax news agency.
“Ninety people were hurt, including five children,” he said.
According to images broadcast on Russian media, one tram appeared to have lost control while descending a hill and slammed into another one, which was at a stop taking on passengers.
Russia’s Investigative Committee, which probes major crimes, said it had opened an investigation into the incident.
Kemerovo is a city of some 540,000 residents located in western Siberia, in the major coal mining region known as Kuzbass.