Democrats in Congress reacted to the passing of Donald Trump's healthcare act by furiously trolling Republican politicians whom they say will regret voting for the bill.

The American Health Care Act, informally known as "Trumpcare" passed in House of Representatives by smallest of margin on Thursday,

Video footage from inside the chamber after the vote finished showed Democrats gleefully chanting: "Na na na na, na na na na, hey hey hey, goodbye!”

Even as the White House claimed the passing of the divisive healthcare bill as a victory, Democrats insisted that the vote would ultimately damage their Republican counterparts in the eyes of voters.