Scarborough scolds Nats fans for 'lock him up' chant: 'We are Americans and we do not do that'

MSNBC “Morning Joe” co-host Joe ScarboroughCharles (Joe) Joseph ScarboroughControversial radio host Don Imus dies at 79 Scarborough: 'Teflon Joe' Biden weathering storm amid Warren's 'political bleeding' Richard Haass to Scarborough: Thursday 'one of Donald Trump's best days as president' MORE said it was “un-American” for the crowd to chant “lock him up” at President TrumpDonald John TrumpNational Archives says it altered Trump signs, other messages in Women's March photo Dems plan marathon prep for Senate trial, wary of Trump trying to 'game' the process Democratic lawmaker dismisses GOP lawsuit threat: 'Take your letter and shove it' MORE when he was shown at Nationals Park during Game 5 of the World Series on Sunday night in Washington, D.C.

“It’s un-American,” Scarborough said Monday morning of the chant, which originated as a chant against Democratic presidential nominee Hillary ClintonHillary Diane Rodham ClintonSupreme Court agrees to hear 'faithless elector' cases Poll: Sanders holds 5-point lead over Buttigieg in New Hampshire Climate 'religion' is fueling Australia's wildfires MORE. “It started with Donald Trump. In fact, he’s made it a centerpiece of his campaign rallies.”

Co-host Mika BrzezinskiMika Emilie BrzezinskiBrzezinski on Sanders-Warren: Someone isn't telling the truth Scarborough to GOP: 'What job is worth selling your political soul over?' Mika Brzezinski: Buttigieg's 'age and experience' may explain fade in Iowa poll MORE interjected that she finds it “sickening” when Trump supporters use the chant “lock her up.”

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“Of course it's sickening,” Scarborough agreed. “We are Americans and we do not do that. We do not want the world hearing us chant ‘lock him up’ to this president or to any president.”

Scarborough concluded he hopes “as we move forward, maybe this is one less fascist tactic [Trump] and his supporters use.”

Scarborough, a staunch Trump critic since he captured the Republican nomination in 2016, received some blowback on social media for the commentary. 
 
"I disagree with you vehemently, @JoeNBC," wrote Democratic Coalition Chairman Jon Cooper on Twitter. "The world NEEDS to hear us chant 'Lock him up' to this particular president."
 

Scarborough took to Twitter after the segment aired to defend himself against his critics.

“So let’s see if I’ve got this straight: When crowds chant 'Lock her up” toward Hillary, it is illiberal and anti-American. (I agree). But when crowds chant the same toward Trump, it is suddenly a fulsome exercise of sacred First Amendment rights. What hypocritical clowns,” he tweeted.

He added that those who “think that democracy is strengthened by calling for the arrest of political opponents” are as “ignorant and illiberal” as the president himself.

“Delete your account and read some civics,” Scarborough fired back. “Stop embarrassing yourself.”

The perspective from Scarborough, a former GOP congressman who frequently tangles with Trump, comes after the crowd booed and chanted "lock him up" when the president appeared on the scoreboard at Nationals Park Sunday night in Game 5 of the World Series between the Houston Astros and the Washington Nationals.

Demonstrators also unfurled “Veterans for Impeachment” banners behind home plate. 

--This report was updated at 2:00 p.m.