Demonstrators hold placards as they take part in the 'March for Our Lives', one of a series of nationwide protests against gun violence, in Washington.
Participants hold placards during a "March for our lives" rally for gun control in Parkland, Florida.
American Federation of Teachers President Randi Weingarten speaks during 'March for Our Lives', one of a series of nationwide protests against gun violence, in Washington.
A boy holds a placard that reads "Guns don’t die, kids do" during a "March for our lives" rally for gun control in Parkland, Florida.
Crosses with the names of victims of Uvalde, Texas, school shooting are seen during the "March for Our Lives" rally, one of a series of nationwide protests against gun violence, at Cadman Park Plaza in Brooklyn, New York City.