HILO » A 34-year-old Hilo man has been ordered to stand trial July 15 on charges of first- and second-degree murder and firearms violations.

Sean Ivan Matsumoto pleaded innocent Wednesday to killing 45-year-old Rhonda Lynn Alohalani Ahu, his girlfriend, and her mother, 74-year-old Elaine Ahu.

Police investigators say in court filings that Matsumoto on Feb. 11 called 911 and reported he had shot two people in his home.

The Hawaii Tribune-Herald reports he was still on his cellphone when officers arrived. They recovered a loaded .12-gauge shotgun.

Police say two children in the home were not harmed.

Matsumoto is being held without bail at Hawaii Community Correctional Center.