WHAT TO KNOW

* President Donald Trump said right-wing activist Charlie Kirk was killed Wednesday at Utah Valley University in Orem. * Videos circulating online appear to show Kirk recoiling after a shot was heard, with blood pouring from his neck. * Kirk personified the pugnacious, populist conservatism that has taken over the Republican Party in the age of Trump. He launched his organization, Turning Point USA, in 2012. * A university spokesperson said they do not have a suspect in custody. The school previously said in an alert that police had a suspect detained.

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