A California man was arrested for murder and arson after a house fire killed four of his family members.
Sergio Rivera-Vega, 32, is accused of setting fire to the home that he shared with his father, sister and his young niece and nephew, the Richmond Police Department said.
On Aug. 18, fire crews responded to a home in the 200 block of 15th Street in Richmond, a city in Northern California, around 8:45 p.m…