ANDOVER — Three people were found dead inside an Andover home early Thursday, but there is no continuing threat to the public, Essex County District Attorney Paul F. Tucker and Andover Police Chief Patrick Keefe announced.

Shortly after 3 a.m., Andover Police received a 911 call. The caller gave the address as 48 Porter Road.

When officers responded, they found three people inside, dead from apparent gunshot wounds.

Based on the evidence on scene, police do not believe there is an ongoing threat to the public.

The incident is under investigation by troopers from the Essex County District Attorney’s Office State Police Detective Unit, other elements of the Massachusetts State Police, and the Andover Police Department.

We will provide further updates following appropriate notifications.