Richmond house fire: Final victim dies of injuries days after tragic blaze

Richmond police on Saturday afternoon confirmed that a 33-year-old woman who was injured in a blaze that killed her father and her two children has died of her wounds. What we know 32-year-old Sergio Ivan Rivera-Vega – the woman’s brother – was arrested shortly after the Tuesday fire and faces counts of murder with special enhancements, according to the Contra Costa County District Attorney's…