A house fire in Virginia that caused more than $1.1 million in damage was accidentally sparked by improperly discarded legal fireworks, according to the Loudoun County Fire and Rescue Fire Marshal’s Office (LCFR-FMO). The (LCFR-FMO) determined the blaze in the 20900 block of Deer Run Way on Saturday night was unintentional in nature. Just after 9:30 p.m. on July 4, officials received multiple 911 calls reporting a structure fire in Ashburn.