Former Trump adviser Roger Stone believes a civil war would ensue if Congress impeaches President Donald Trump.

Speaking to TMZ at the Los Angeles International Airport on Wednesday, Stone was asked what he believes would happen if Congress moves to strip Trump of his power.

“The people who are calling for his impeachment are the people who didn’t vote for him. They need to get over it. They lost. Their candidate had every advantage,” he said, pointing out that the Hillary Clinton campaign spent $2 billion dollars compared to the Trump campaign’s $275 million.

“Sorry, he whipped her a**. It’s over. You lost,” Stone said. “Try to impeach him. Just try it. You will have a spasm of violence in this country, an insurrection, like you’ve never seen.”  Roger Stone

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A small coalition of House Democrats has led the charge in pushing to impeach Trump. In July, Rep. Brad Sherman (D-Calif.) formally introduced articles of impeachment against Trump over his firing of former FBI Director James Comey, arguing the move amounted to obstruction of justice.

Rep. Steve Cohen (D-Tenn.) announced last week that he would introduce articles of impeachment against Trump over his comments following the violence at a white supremacist rally in Virginia.

Democratic leadership have pushed back on the impeachment efforts. House Minority leader Nancy Pelosi (D-Calif.) said in a statement that Congress should set up an independent commission to investigate Trump’s potential ties to Russia.

“Leader Pelosi has repeatedly called for an outside, independent commission to get to the bottom of Trump’s connection to Russia’s interference in our election and to examine ways to protect the integrity of our democracy from foreign meddling in the future,” Ashley Etienne, a spokeswoman for Pelosi, said in a statement.