Manchester, NH - The day after a 3-alarm killed one resident, and injured two firefighters the investigation into the cause and origin was taking place.br/br/Members of the Manchester Fire Marshals Office, NH State Fire Marshals Office and Manchester Police Detectives worked processing the scene.br/br/Two accelerant detecting k9’s were used at the scene, one from Manchester Fire and the other from the NH State Fire Marshals Office.br/br/The the fire was determined to have stared with an electrical related issue.br/br/©Jeffrey Hastings www.frameofmindphoto.com/news