Lewiston Arson 

A 13-year-old boy has been arrested in connection with the fire that destroyed an historic textile mill.Flames shot through the windows and the roof of the vacant 60,000 square-foot Cowan Mill in Lewiston back in July. At the time, investigators ruled the fire an arson.Now the state fire marshal’s office arrested a boy for the crime, he is being held at a youth correctional facility.The destruction of the mill ended stalled efforts to rehabilitate it, but could make the waterfront property more appealing to developers.