Ten people including at least 7 Japanese tourists died in a fire at an indoor shooting range in the South Korean port city of Busan on Saturday, South Korea's YTN television reported.

Seven others were also injured in the blaze, which broke out around 2:26 p.m. and swept through the second-floor shooting range before being extinguished about 40 minutes later, according to YTN.

Authorities confirmed that at least three Japanese nationals perished in the fire.

Police said the death toll may rise because some of the injured were in serious condition, according to Yonhap News Agency.