By tweet, Trump fires top election security official Chris Krebs. Twitter adds fact-check label.

As predicted, CISA chief Chris Krebs was fired by outgoing president Donald Trump. And Trump did it by tweet, appending a bunch of garbage disinformation to the firing announcement. Twitter added a factchecking label.

Chris Krebs was fired over statements debunking disinformation Trump was spreading about 2020 election "voter fraud," for which there is no evidence.