Richmond man suspected of arson that killed family, including children ages 2 and 5

A Richmond family is mourning an unthinkable loss after an intentional house fire left several family members dead, including two children, ages 2 and 5. Relative arrested for family's death Police on Wednesday announced that they arrested 32-year-old Sergio Rivera-Vega in connection with the deadly blaze, which broke out around 8:45 p.m. Tuesday on 15th Street. Relatives identified two of the…