LYNN – Fire investigators blamed an electrical problem for a Hanover Circle fire that displaced at least eight residents on the Fourth of July.”It was electrical in nature, not fireworks,” Lynn Fire Arson Investigator Joe Fannon said Monday. “I know a lot of people expected (fireworks) but not according to our investigation.”Fannon said the incident was considered not suspicious.The fire department responded to 7 Hanover Circle at 8:59 p.m. Thursday and a second alarm was rung at 9:03 p.m., according to fire officials.The fire broke out on the second floor of the three-story building, which has a single apartment on each floor. The first floor of the building had smoke and water damage while the third floor suffered some flame damage.The Red Cross provided emergency assistance to members of two families who resided in the building, according to spokeswoman Kat Powers. She said a family of five people received emergency money for food and clothing and temporary shelter. A family of three also received emergency money but was staying with other family members, Powers reported.Police responded to the address again, however, at 5:50 a.m. Saturday for a report of a past breaking-and-entering.Lynn Police Lt. Stephen Haberek said Monday that clothes and electronics were reported stolen from the second-floor apartment where the fire had broken out.Cyrus Moulton can be reached at [email protected].