Hummelstown police are investigating a home invasion in the first block of North Duke Street early Wednesday.
Two men entered the home through an unlocked back door around 2:30 a.m. The family dog alerted the residents to the intruders, police said.
A woman in the home confronted the intruders and exchanged gunfire with one of them. Two shots were fired before the intruders fled.
Two toddlers were inside the home.
o one was injured.
Police do not believe the intrusion was a random incident but say the woman did not know the intruders.
No arrests have been made.
Anyone with information is asked to contact Hummelstown police at 717-558-6900.