On Thursday, after President Trump ripped the conservative Freedom Caucus on Twitter, threatening “we must fight them” because they stood up for conservative principles and derailed his healthcare plan, one Freedom Caucus member and another GOP House member who supports them, struck back with a vengeance, noting that Trump’s campaign promises to “drain the swamp” were precisely the reverse of what had eventuated.

Trump prompted the fiery responses with this:

Rep. Justin Amash (R-MI) of the Freedom Caucus struck back less than an hour later:

Rep. Thomas Massie (R-KY), who is not in the Freedom Caucus but often aligns with them, tweeted at Trump at precisely the same time as Amash:

Rep. Raul Labrador (R-ID) added a reminder for Trump:

If Trump thought his bullying tactics were going to force conservatives to back down, he was disabused of that notion on Thursday.