(WASHINGTON) -- The Supreme Court on Tuesday said it will decide later this year whether state bans on the possession of AR-15 firearms and similar semi-automatic "assault style" guns violate the Second Amendment. 

Ten states plus D.C. ban the weapons, which have been used in many of the deadliest mass shootings in U.S. history, including Sandy Hook Elementary in Newtown, Connecticut, and Uvalde, Texas.

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