The murder trial for a Halifax-area youth accused of participating in the killing of a 16-year-old student last year heard Tuesday from an eyewitness to the fatal stabbing. The 17-year-old accused pleaded not guilty to second-degree murder following the death on April 22 of Ahmad Maher Al Marrach,

A woman who managed to briefly halt the fatal attack on Ahmad Al Marrach is testifying at the trial of one of four teens accused of killing the 16-year-old boy outside a Halifax mall last spring.

The violent death of a 16-year-old Halifax boy was brought into stark relief Monday as a Crown lawyer presented exhibits to a youth court, including some of the victim's bloody clothing.