Hayden Panettiere's younger brother, Jansen Panettiere, has died at the age of 28, according to multiple reports. Jansen died over the weekend in New York, according to , which was the first to break the news. The outlet reports that law enforcement was called to a residence Sunday night around 5:30 PM and while no official cause of death has been released, there's no foul play suspected in Jansen's death. ET has reached out to Hayden's reps for a statement. Jansen, who is five years younger than Hayden, was an actor.