As a gunman launched his massacre at a Florida high school, gunning down his former classmates, a football coach risked his own life to save students.
Coach Aaron Feis, also employed as a security guard at Marjory Stoneman Douglas High School in Parkland, was shot and wounded after jumping in front of the teenagers to protect them.
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Seventeen people died and dozens of others are now receiving treatment for gunshot wounds after Nikolas Cruz launched his mass shooting on Wednesday afternoon (local time).
Mr Feis reportedly survived, but is now battling for his life in hospital.
Tributes are now flowing for his heroic actions.
"This, ladies and gentlemen, is the face of a hero," says Angelica Losada.
"Coach Aaron Feis was injured protecting a student in the shooting at Marjory Stoneman Douglas High School and, at last report, is in critical condition."
"He is a friend to all students that know him. He was always so nice to me when I went to school there, and I know he is close with my brother and his friends. Please, take a moment to send healing prayers for him."