GALLUP, N.M. — Tito Jackson, one of the brothers who formed the famous pop group Jackson 5, has died after a medical incident in Gallup, police said.

At approximately 6:17 p.m. Sunday night, someone flagged down a Gallup police officer at American Heritage Plaza. The officer heard someone needing medical attention and sent an ambulance to the scene.

Paramedics took that person to the hospital where he was pronounced dead. Police identified that person as 70-year-old Tito Jackson.

According to police, this information comes from an ongoing investigation that is still in its early stages.

“Detectives are actively interviewing witnesses and examining both physical and electronic data. The department’s understanding of the facts and circumstances may evolve as more evidence is collected and analyzed,” the Gallup Police Department said on social media.

There is still no information on the exact cause of Jackson’s death.