At least 13 people were killed and about a dozen were missing after a dam collapsed at a gold mine in a remote Siberian settlement on Saturday, Russian authorities said.
The dam on the Seiba River in the Siberian region of Krasnoyarsk burst and flooded several cabins where the victims lived, Russian authorities said.
Officials said the dam had apparently been built in breach of safety rules and claimed that the authorities were not aware of its existence.
Investigators said they have opened a criminal probe into the breach of safety rules.
"As of now, there's information about 13 dead," the emergencies ministry said in a statement.
In a separate statement, the regional authorities in Krasnoyarsk said 12 people had died and 13 more were missing.
Fourteen people were hospitalised, and three of them were in a grave condition, the regional health ministry said.
Regional governor Alexander Uss said in televised remarks that about 80 workers lived in the temporary settlement in the remote village of