Two of the three men who had been missing are firefighters. Nineteen other miners were locked inside a safety chamber as the fire broke out 1,000 metres underground.
The fire was extinguished at around 2 P.M.
Kristineberg mine was commissioned in 1940 and is the oldest mine in operation in the Boliden Area. A total of 240 people work at the mine, which goes down to 1,300 meters below surface. The Boliden Area is located in the mineral-rich Skellefteå field.
Two weeks ago there was a fire in a mine in Garpenberg in Dalarna. About 30 people were working in the mine at the time.