When her little sister fell into their backyard pool at home in Chiang Mai, northern Thailand, this heroic 3-year-old wasted no time screaming for help. Her father, who was sweeping leaves nearby, was able to save the struggling toddler from drowning in the nick of time. Now he is using his family’s ordeal to urge parents to watch their kids when they’re around water. Sisters Kana and Kaning Kanuengnit, aged 3 and 2 years old, were happily playing around the family pool with inflatable toys on Feb. 25 when Kaning lost her footing. She toppled sideways into four feet of water; home security footage recorded the stomach-lurching moment. “I was sweeping near the pool and my wife was cooking in the kitchen behind the house,” the girls’ father Apisit Kanuengnit, 29, told Newsflare, as translated from Thai. “My younger daughter carried an inflatable swimming ring around the swimming pool, while my elder daughter …