Twitter Inc. said it will flag tweets from certain accounts, including those of presidential candidates, who claim an election victory before it’s officially called by two of seven media outlets.
Twitter said Monday -- reiterating previously announced policy -- that it will require any tweet from some accounts declaring victory to cite either an announcement from state election officials, or a public projection from at least two authoritative, national news outlets that make independent election calls, the company said in updated guidelines to its election policies on Monday. It selected the seven acceptable race-calling outlets.
Tweets that include premature claims of

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