"The bus was carrying 35 people... 12 of them died. Twenty were rescued. Three people are missing, the search for them is ongoing," TASS news agency said, quoting a representative of the Krasnodar region emergency ministry.
Divers are working at the scene of the accident, where the bus plunged four metres before hitting the water, a source told RIA-Novosti news agency, saying it was likely caused by a traffic violation.