In 2014, a 15-year-old Pakistani schoolboy named Aitzaz Hasan noticed a stranger wearing a suicide vest entering his school.
Despite being urged by his friends to run away, Aitzaz decided to confront the bomber.
He grabbed the terrorist, and that's when the explosive vest detonated. Killing Aitzaz instantly.
His actions prevented the terrorist from entering the school and killing hundreds of students.
Following his death, his father said, "My son made his mother cry but saved hundreds of mothers from crying for their children."