Investigators are continuing to look closely at a recent string of arson fires in Lamesa after yet another vacant house burned Monday night.Contrary to rumors circulating widely on Tuesday, no arrests have yet been made in connection with any of the fires.Lamesa Police Chief Josh Peterson said officers briefly detained one person who was seen walking away when they arrived at the scene of Monday’s blaze at 902 S. 2nd St.He said it was soon determined that the person lives nearby and apparently had walked over to the house after spotting the fire and had shouted to be sure no ...