How Twitter is responding to Las Vegas massacre

8:38 a.m. Monday, Oct. 2, 2017 AJC Homepage

Las Vegas police are investigating a deadly mass shooting that erupted late Sunday near the Mandalay Bay Casino.

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AP Photo/John Locher
A police officer takes cover behind a police vehicle during a shooting near the Mandalay Bay resort and casino on the Las Vegas Strip, Sunday, Oct. 1, 2017, in Las Vegas.