A Texas judge has denied a new trial for Karmelo Anthony in the stabbing death of an athlete at a high school track meet.

A Texas prosecutor who oversaw the conviction of Karmelo Anthony in the deadly stabbing of a track athlete during a high school meet says he and defense attorneys had agreed to hold back character evidence during the trial.

A Texas teenager who fatally stabbed a 17-year-old athlete from a rival track team has been found guilty of murder.