Transcript for Instant Index: Near Miss Shark Encounter in Florida
this labor day Monday. Joan rivers, so much concern about the 81-year-old comedian and her health tonight. She's still fighting for her life, unconscious after going into cardiac arrest last Thursday following an outpatient procedure. Tonight she's in serious condition with her family by her side and they are grateful for the outpouring of love and prayers. Watch this, a family on vacation at a lake. They owned their own drone, flying overhead, capturing the moment. The battery wasn't fully charged. It drone descends. The father sbrints into the water to save not only the family toy but the memories. Just when you thought it was safe to get back into the water, a hammer head shark. Two swimmers and they were not alone. There's the shark, the guy filming, too trying to warn them from his balcony shouting. He described to our producers what it was like to watch that near miss. It was like a train wreck. If that fish had gotten close to them, they might have been in trouble. I don't even know if they understood what we were saying but if someone is yelling high on a balcony, you need to get out of the water. Good advice. One more note, something on your labor day list to do. A lot of people reaching out to us saying that their DVRs were working but we added tonight in our name. "World news" tonight. The little ones getting
This transcript has been automatically generated and may not be 100% accurate.