John Muir Medical Center Walnut Creek
Walnut Creek police Sgt. Joe Donleavy told KCBS that the man fell shortly before 6 p.m. in an open space area south Ygnacio Valley Road.
Starting Jan. 1, 2012, children are required to be strapped into booster seats, until the age of 8. Previously, booster seats were mandated only for kids until they reached age 6 or 60 lbs., whichever came first.