Thousands of people participated in "March for Our Lives" rallies in Washington and cities across the United States, drawing attention to school violence and what they see as a need for stricter gun control.
'March for Our Lives' Protests Call for Stricter Gun Laws

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Levi Rodas, 16, from Orem High School, is shown during a pro-gun march, March 24, 2018, in Salt Lake City.

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Participants gather during the "March For Our Lives-Parkland" event, in Parkland, Fla.

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People gather to walk with the "March for Our Lives" demonstration in Houston.

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Ariana Grande performs during the "March for Our Lives" rally in support of gun control in Washington, March 24, 2018.