Paris, France / Pedro Lastra / Unsplash (CC0)Washington, D.C. Newsroom, Jun 9, 2023 / 15:10 pm (CNA).A 24-year-old Catholic Frenchman named Henri went viral Thursday as the "backpack hero" after he stopped a potentially deadly knife attack at a playground in southeastern France by chasing away the attacker with a backpack.French newspaper 20 Minutes reported on Henri's heroic response to the shocking attack.The perpetrator, only partially identified by French authorities as Abdalmasih H., is a 31-year-old Syrian refugee. On June 8 he unleashed a sudden stabbing attack on children and adults at a playground in the town of Annecy.Two adults, men over 70, and four children, all 3 years old and younger, were seriously injured and later hospitalized due to the attack.Henri, who did not give his last name to the media, told reporters he was in the town of Annecy as part of a nine-month pilgrimage to visit France's cathedrals on foot.When he saw the attack begin to unfold, Henri sprun...