Brian McKnight says he tried helping his son Niko through cancer, but stopped after his ex-wife intervened. Niko, who died aged 32, had publicly longed for family reconciliation in emotional tweets shortly before his death.

Austin Metcalf, a 17-year-old 4.0 student and football, was stabbed to death at a Texas high school track event after telling a student he was sitting in the wrong spot. His twin brother held him as he took his last breath. A suspect has been arrested.