Student guns down classmate at Tennessee high school:

As by now, I’m sure you’ve heard there was shooting at Central High School in Knoxville, Tenn. where a 16-year-old student died.

The victim has been identified as Ryan McDonald. The suspect is 15-year-old Jamar Siler. No motive has been given as of yet. Siler is charged with first-degree murder and is being held in a juvenile facility.

Witnesses say that Siler just walked away calmly after shooting McDonald.

More on this as details become available and time allows.

Thanks to Gage for the tip.