Several Martinsville High School students say teachers stopped their calls to 911 while a fellow student was choking, because cell phones aren't allowed on campus. Witnesses tell police the victim was rushing to finish his lunch before leaving the cafeteria, because you can't bring food outside. That's when they say he started choking, went into cardiac arrest, and died at the hospital. Multiple 911 calls went out from Martinsville High School. Witnesses say Jesse Tucker choked on a hamburger. Paramedics rushed the 15 year-old freshman to the hospital, where he later died. "It's really hard to grasp the fact that...