A study based on data from 2012 to 2014 suggests that, on average, 5,790 children in the United States receive medical treatment in an emergency room each year for a gun-related injury. About 21% of those injuries are unintentional, similar to the third-grader's case. From 2012 to 2014, on average, 1,297 children died annually from a gun-related injury in the US, according to the study, published in the journal Pediatrics on June 19, 2017.

A study based on data from 2012 to 2014 suggests that, on average, 5,790 children in the United States receive medical treatment in an emergency room each year for a gun-related injury. About 21% of those injuries are unintentional, similar to the third-grader's case. From 2012 to 2014, on average, 1,297 children died annually from a gun-related injury in the US, according to the study, published in the journal Pediatrics on June 19, 2017.

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Guns Kill Nearly 1,300 US Children Each Year, Study Says

Rambunctious third-graders filled a classroom in Seattle on a crisp autumn day. One of the students dropped his backpack, and horror ensued.