Rep. Eric Swalwell Eric Michael SwalwellSwalwell calls for creation of presidential crimes commission to investigate Trump when he leaves office 'This already exists': Democrats seize on potential Trump executive order on preexisting conditions Swalwell: Barr has taken Michael Cohen's job as Trump's fixer MORE (D-Calif.) ripped Fox News as spreading “misinformation” about immigration after an encounter with a constituent.

Swalwell described the incident in a tweet late Friday night, saying that a constituent approached him and accused him of supporting open borders, citing Fox News.

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“Scary. A constituent just confronted me and told me I support open borders,” he tweeted. “I told her that’s not true and I’ve never said that. She said ‘@FoxNews said you do.’ ”

“Guys, this is what we are up against,” he added. “We aren’t battling ideology. We’re battling misinformation.”

Scary. A constituent just confronted me and told me I support open borders. I told her that’s not true and I’ve never said that. She said “@FoxNews said you do.” Guys, this is what we are up against. We aren’t battling ideology. We’re battling misinformation. — Rep. Eric Swalwell (@RepSwalwell) June 30, 2018

Swalwell’s tweet came as thousands of people marched nationwide and abroad on Saturday to protest President Trump Donald John TrumpBiden on Trump's refusal to commit to peaceful transfer of power: 'What country are we in?' Romney: 'Unthinkable and unacceptable' to not commit to peaceful transition of power Two Louisville police officers shot amid Breonna Taylor grand jury protests MORE’s immigration policies.

The marches were focused primarily on the “zero tolerance” policy, which has resulted in more than 2,000 migrant children being separated from their parents.

Trump has repeatedly criticized Democrats over immigration and accused them of supporting open borders. The president reiterated the claim on Saturday, tweeting: “Our laws are the dumbest anywhere in the world. Republicans want Strong Borders and no Crime. Dems want Open Borders and are weak on Crime!”