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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Prince Harry has asked the Duke of Cambridge to be the best man at his upcoming wedding to Meghan Markle.
There were 39,598 offences involving a knife or sharp instrument in 2017, a 22% increase compared with the previous year (32,468).
Following the online banking crisis TSB has also announced customers will not have to pay overdraft charges in April.