multiple times. kept calling me and asking me, is she okay? reporter: joanne is out of the hospital. it turned out a bad fever led to that seizure. but thanks to her brother, she s alive. this week, joshua got an award from firefighters called the rockland hero award. it felt good and proud of myself because that was the first time that i called 911 and it saved my sister s life. reporter: joshua s father so proud that his son stayed poised during that critical time. i thank my son that he saved my daughter s life. so, tonight, we salute joshua for his quick-thinking and saving his sister. that does it for us on this saturday night. we thank you for watching. good morning america and this week in the morning. i ll see you right back here tomorrow night. have a great evening. good night. good night.