If you have kids, never leave them unattended, especially if it involves a crowded pool. This little girl almost drown had it not been for the quick reaction of this eagle-eyed lifeguard.

He said:

"I had to walk this 3 year old girl around until I could find her family. They had no idea she was missing."

"I have been doing this for 18 years and I am still amazed by the lack of supervision some kids get around the water."

Watch it: