“The Cosby Show” alum Keshia Knight Pulliam paid tribute to her former co-star Malcolm-Jamal Warner after his death at age 54 with a touching social media post on Sunday.

A police chief in Costa Rica maintains that Malcolm-Jamar Warner, 54, was trying to save his daughter, who was also in the water, at the time of his drowning.

“If you get caught in a rip current number one is: don’t panic. Allow the rip current to take you offshore until it weakens,” Dr. John R. Fletemeyer, a 30-year aquatics professional focused on drowni...