The Department of Justice (DOJ) said Monday that it will appeal a federal judge’s ruling that 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 can't block Twitter users, Reuters reported.

The director of the Knight First Amendment Institute at Columbia University, which represented the seven people who sued Trump last year, told the news service that Trump's @realDonaldTrump account had unblocked them on Monday.

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“We’re pleased that the White House unblocked our clients from the President’s Twitter account but disappointed that the government intends to appeal the district court’s thoughtful and well-supported ruling,” Jameel Jaffer said in an email.

Judge Naomi Reice Buchwald of the U.S. District Court for the Southern District of New York ruled against Trump last month, arguing that his Twitter account is a public forum.

She ruled that users' First Amendment rights to free speech are violated when they can't respond to the president on Twitter.

Trump blocks many of his critics from his Twitter account, which has more than 52 million followers.

Former White House press secretary Sean Spicer Sean Michael SpicerKellyanne Conway to leave White House at end of month Pro-Trump duo Diamond and Silk launch new program on Newsmax TV The Hill's 12:30 Report - Presented by Facebook - Supreme Court's unanimous decision on the Electoral College MORE said last year that Trump’s tweets should be considered official statements.