Mr. Warner, who played the only son of Bill Cosby’s character on the beloved 1980s sitcom, drowned in Costa Rica.

Friends of Malcolm-Jamal Warner are sharing a rare glimpse into the actor’s close bond with his daughter.

The Costa Rican Red Cross revealed in a statement Tuesday to The Hollywood Reporter that first responders were notified Sunday at around 2:10 p.m. of two male swimmers in need of emergency medical tr...