BRENTWOOD, Calif. >> A hoverboard burst into flames in a San Francisco Bay Area suburban home, charring a kitchen wall but causing no injuries. KNTV reports that a Brentwood family was at home Monday night charging the hoverboard, also known as a self-balancing scooter, when the toy started popping and crackling and burst into flames. The Consumer Product Safety Commission is looking into the safety of the entire product line.