(Photo by Al Bello/Getty Images)

Miami Beach swimmers unknowingly have close encounter with shark!

Drone footage from Miami Beach captures a scary close encounter between blissfully unaware swimmers and a large lurking tiger shark!

CBS Evening News on Twitter

Drone footage from Miami Beach shows incredibly close encounters between unknowing swimmers and a tiger shark The swimmers seem blissfully unaware of the shark's presence https://t.co/WuKUfB2G9w