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Major U.S. School Shootings in Recent Years

Major U.S. School Shootings in Recent Years

Newtown residents mourn for school shooting victims in U.S.

Newtown residents mourn for school shooting victims in U.S.

U.S. town wrapped in grief as shooting breaks peace

U.S. town wrapped in grief as shooting breaks peace

U.S. supporters of gun control pay respect for shooting victims

U.S. supporters of gun control pay respect for shooting victims

U.S. elementary school shooting kills 20 children

U.S. elementary school shooting kills 20 children

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