(WUSA9) -- Prince William County police are looking for three men who entered a home in the 12500 block of Colebrook Court off of Old Bridge Road on Thursday afternoon.
Police say the men were wearing masks and carrying guns, and may have fled in a vehicle.
According to police, no property was taken and no injuries were reported in the incident. Police also say that the incident does not appear to be random.
As a precaution Woodbridge High School, Lake Ridge Middle School, and Old Bridge Elementary School are on lockdown, according to police.
Residents can expect heavy police presence in the area.