3-year-old boy chokes to death on pushpin at preschool

A 3-year-old Oceanside boy choked to death when his airway become blocked by a pushpin, according to the San Diego County medical examiner.

Tyler Howell was attending preschool Monday when he began making a gasping sound and clutching his neck. CPR was attempted and paramedics called. An examination later found his windpipe to be blocked.

-- Tony Perry in San Diego