Bernalillo County sheriff's spokesman Aaron Williamson has said that the motive of the teenage boy who shot dead five people at a home in New Mexico is not yet known, the New York Post reports.
Mr Williamson also said that investigators were trying to determine any connection of the teenager to the victims and if the victims were related.
More top news
US dance duo The Chainsmokers surprised hundreds of students by gate-crashing their prom in the US.
Hundreds of George Micheal fans have paid tribute to the iconic singer at the first public memorial for the pop star.
Seven Ukrainian men have been arrested after a boat containing suspected illegal immigrants ran ashore in high winds off the Suffolk coast