In a brief order, the court directed the Trump administration not to remove Venezuelans held in Texas' Bluebonnet Detention Center "until further order from this court."
Some of the protests are drawing on themes from the American Revolutionary War, as Saturday marks 250 years since the Battles of Lexington and Concord in Massachusetts launched the conflict.
That the talks are even happening represents a historic moment, given the decades of enmity between the two countries since the 1979 Islamic Revolution and the U.S. Embassy hostage crisis.