article_snippet: Matthew was struck after another child on a bicycle approached the gate Tuesday afternoon, inadvertently triggering a motion sensor for it to move, North Las Vegas police spokeswoman Chrissie Coon said.
article_snippet: Dangerous: another child on a bicycle was struck after another child on a bicycle approached the gate Tuesday afternoon, inadvertently triggering a motion sensor .
highlights_snippet: He was struck after another child on a bike approached the gate, triggering a motion sensor .