The Twitter administration has blocked the official accounts of the Communist Party of Cuba and its leader Raul Castro. In addition, the accounts of Castro's daughter and a number of journalists from the official Cuban media were blocked.
According to Reuters, the lockdown came amid an address to the nation by Cuban President Miguel Diaz-Canel, in which he warned of an impending energy crisis due to US sanctions.
A Twitter representative, commenting on the blocking, referred to the company's policy against the manipulation of public opinion, which prohibits users from artificially displaying any topics in the top using a network of accounts.
The Cuban Foreign Ministry called Twitter's actions "an obvious concerted operation to limit the statements of revolutionaries in defense of the truth."