(CNN) A 7-year-old Georgia boy was shot in the stomach Monday as he and an 8-year-old played with a handgun police said.

The two children found a .45-caliber handgun as they were alone in an apartment, Griffin police said. The accidental shooting happened as the children mishandled the weapon, authorities said.

The 7-year-old victim was rushed to a hospital, where he was undergoing surgery, police said.

Police in Griffin, about 38 miles south of Atlanta, did not say if the two children are related.

Monday's shooting follows another child-involved shooting in Georgia last week.

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