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President Trump announced in a tweet Tuesday night that the head of the Department of Homeland Security's Cybersecurity and Infrastructure Security Agency, Christopher Krebs, has been fired.
Trump cited what he called "massive improprieties and fraud" regarding the 2020 election as reasons for Krebs' termination. There has been no evidence of massive improprieties or fraud.
Krebs had told people close to him last week that he expected to be fired.
Karyne Levy ( @karynelevy) is the West Coast editor at Protocol. Before joining Protocol, Karyne was a senior producer at Scribd, helping to create the original content program. Prior to that she was an assigning editor at NerdWallet, a senior tech editor at Business Insider, and the assistant managing editor at CNET, where she also hosted Rumor Has It for CNET TV. She lives outside San Francisco with her wife, son and lots of pets.