The Trumbull Police Department's detective bureau is investigating a sexual assault on Old Town Road that was reported to have happened at 5 a.m. Tuesday, Oct. 13.

According to a press release, a 43-year-old Trumbull resident reported being sexually assaulted by an unknown male who entered her home and threatened her with a handgun.

Police did not release a description of the suspect, who has not been arrested as of Wednesday morning.

Residents are asked to contact the police department at 203-261-3665 if they observe any suspicious activity in their area.