#FridayNightMassacre trends as Trump fires impeachment witnesses: ‘The mad king puts another head on a pike’
President of the United States Donald Trump speaking at the 2018 Conservative Political Action Conference (CPAC) in National Harbor, Maryland. (Gage Skidmore/Flickr)

President Donald Trump fired Lt. Col. Alexander Vindman and Ambassador Gordon Sondland on Friday in actions that were widely seen as retribution for the two testifying in Trump's impeachment inquiry.

The hashtag "Friday Night Massacre" soon trended nationwide on Twitter.

Here's some of what people were saying: