Three Japanese were killed and another three were injured in a terrorist attack on Tunisia's national museum, the government confirmed Thursday.

According to government sources, the three victims are all women: Machiyo Narusawa, 66, of Arakawa Ward, Tokyo; Chiemi Miyazaki, 49, and Haruka Miyazaki, 22, both of Sayama, Saitama Prefecture. The relationship between the two Miyazakis could not immediately be confirmed.

Two gunmen wearing military uniforms reportedly opened fire on tourists, including visitors from Japan, Italy, France, Australia, Colombia, Poland and Spain, as they got off a bus at Bardo National Museum.