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.
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A grey start to the weekend with patchy rain for Scotland and eastern England.
A 31-year-old, stabbed nine times when he asked a man to stop harassing his girlfriend, has raised more than $28,000 for hospital treatment.
The Prince has called for "zero tolerance" on the ivory trade, which he says is increasing "alarmingly".