Trump’s Twitter Blocking Is Center of New Free Speech Lawsuit

President Donald Trump was accused of continuing to block critics from his Twitter account two years after a judge said that silencing detractors on the social-media platform was a violation of the First Amendment.

The Knight First Amendment Institute at Columbia University filed a lawsuit Friday on behalf of five people who still can’t access the @realDonaldTrump Twitter account, which has 84.4 million followers. The complaint also names Trump’s deputy chief of staff for communications, Daniel Scavino.

“The president lost this battle more than two years ago when a federal court held that his practice of blocking critics from ...