Overview

• Dartmouth police announced charges against Kevin Ruiz, 54, following the Sept. 2 explosion on Sagamore Drive.
• Investigators said fireworks and related substances ignited in the garage, and they believe the event was accidental.
• Counts include possession of explosives, possession of component parts for a destructive or incendiary device, three counts of wanton destruction of property, and disturbing the peace.
• The garage was destroyed, one resident suffered serious burns, and one of three dogs in the home died, according to police.
• Extensive damage prevented pinning down the precise ignition source, though neighbors reported seeing fireworks and debris during the blasts.