CNBC update: Noise complaints

1:41 PM ET Thu, 10 March 2016

A Florida mother and gun rights activist is in the hospital after authorities says she was shot by her 4-year old son; Honda is unveiling its first hydrogen fuel cell vehicle; and out of 8,600 noise complaints at Washington's Reagan National Airport, officials say 6,500 came from the same person, reports CNBC's Sue Herera.