'Welcome Back, Kotter' Star Ron Palillo Dies From Heart Attack At 63

According to TMZ, Palillo passed off after suffering a heart approach at his Palm Beach home Tuesday morning. Palillo was found by his partner Joseph Gramm, before being transported to a local hospital where he was declared dead.

Sources tell TMZ that the '70s TV star, who made for Horshack in the popular sitcom, was in good health and his death was surprising.