President Miguel Díaz-Canel talks to the press in Havana on February 24 after voting in a referendum on a new constitution in Havana. Several critical news sites were blocked in Cuba on the date of the vote. (AP/Ramon Espinosa)
President Miguel Díaz-Canel talks to the press in Havana on February 24 after voting in a referendum on a new constitution in Havana. Several critical news sites were blocked in Cuba on the date of the vote. (AP/Ramon Espinosa)

Critical news websites blocked during Cuba referendum vote