By HENG WEILI in New York | China Daily Global | Updated: 2021-07-08 10:58 Share CLOSE Former US president Donald Trump looks on during a press conference announcing a class action lawsuit against big tech companies at the Trump National Golf Club Bedminster on July 7, 2021 in Bedminster, New Jersey. [Photo/Agencies] Former US president Donald Trump is suing three of the largest tech companies in the United States on the grounds that they have deprived him and other conservatives of their constitutional rights to free speech. Trump announced the actions against Facebook, Twitter and Google’s YouTube, along with the California-based social media companies’ CEOs — Mark Zuckerberg, Jack Dorsey and Sundar Pinchai, respectively — at a news conference in Bedminster, New Jersey, on Wednesday. He was joined by other plaintiffs in the suits, which were filed in federal court in Miami.