Miguel Díaz-Canel spoke to crowds in Havana the US is attempting to destroy Cuba’s political system.
He said the US seeks complete control over Cuba.
Díaz-Canel branded American policies a case of political genocide during July 26 events.
He warned this is a menace to Cuba’s right to govern.
Raúl Castro was absent from the biggest rally.
Tensions are elevated as a result of sanctions and US political pressure.