Silvia Palmieri, who is the mother of a teacher who survived a stabbing attack at the Thomazia Montoro school, left, leaves the school comforted by a friend in Sao Paulo, Brazil, Monday, March 27, 2023. A 13-year-old student fatally stabbed a 71-year-old teacher and wounded three teachers and two fellow students Monday in a knife attack at the public school, state officials said. (Photo by Andre Penner/AP Photo)
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