A teenage boy fatally shot two adults and three children at a home near Albuquerque, authorities said Sunday.

The boy, who police believe to be about 15 years old, was arrested and booked on murder and other charges in connection with the shootings Saturday night at the home in an unincorporated area 10 miles southwest of downtown Albuquerque, Bernalillo County sheriff's spokesman Aaron Williamson said.

The victims' identities haven't been released, and the boy's motive and connection to the five victims weren't immediately known. Williamson said investigators were trying to determine if the victims were related.

"We are trying to identify the victims," Williamson said.

Each victim suffered more than one gunshot wound.

Investigators also were seeking to determine who owned several guns that were found at the home, one of which was a semi-automatic military-style rifle.

Authorities weren't releasing the name or age of the teenager accused in the attack or details of any conversation that he had with investigators.

He was booked on two counts of murder and three counts of child abuse resulting in death.

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