Tributes have poured in for a high school sports star who died just days before his graduation after collapsing during training.
Hunter Palmer, 18, was a standout American football player at Wisner-Pilger High School in Nebraska, earning all-district honours as a running back and committing to Midland University before collapsing during track practice on Friday.
He was taken to a hospital in West Point where he died. He is survived by his parents, his brother and his sister.