Vacaville house fire

This was a house fire in Vacaville from July 8th. A couple that were in their eighty's lived there and the wife past away. A man on a bicycle was seen leaving the scene as firefighters and police were ariving. They questioned him and found a bag with fireworks on him. The police belived that he threw fireworks into the house which is what started the fire early Sunday morning. The police were unsure of the suspects connection to the couple. The top and bottom one ran.