This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated.

RIVERSIDE, Ala. (WIAT) — A suicide and multiple homicide cases are being investigated Sunday by the St. Clair County Sheriff’s Office.

Deputies responded around 9:47 a.m. to the report of a suicidal man at a home on Depot Street in Riverside. Upon arrival, they found 54-year-old William Huntoon Vance armed with a handgun. Deputies say Vance shot himself soon after they arrived.

According to Sheriff Billy Murray with the SCCSO, an adult woman, identified as 51-year-old Florence Diane Vance, a 16-year-old girl, and a 13-year-old girl were also found dead while deputies were securing the scene. All three victims had gunshot wounds.

Sheriff Murray confirmed that all four victims were a family. The investigation is ongoing.

Stay with CBS 42 as this is a developing story.