The new sanctions came nine days after Donald Trump's administration included Venezuelan President Nicolas Maduro on the top Treasury list, along with presidents Bashar Al Assad (Syria), Kim Jong-un (North Korea) and Robert Mugabe (Zimbabwe).
Major Latin American nations and Canada have also rejected the legitimacy of the Constituent Assembly and slammed Venezuela for "breaking democratic rule".
Locals said a nighttime curfew had been imposed, as flaming barricades set up in the street by anti-government protesters spewed black smoke.
In Requenses words: "Maduro knows this country is ungovernable".
Consensus is required for any action by the Organization of American States.
The socialists were referring to the new tribunal as Truth, Justice and Reparations Commission. The opposition claims it is the victim of a witch hunt by the Chavista-dominated court system. Maduro gave the assembly power over all branches of government and wants the assembly to rewrite the constitution.
Maduro and his allies have consistently blamed the opposition for political violence that has erupted at protests and left more than 120 Venezuelans dead. The agency also targeted Tania D'Amelio Cardiet, a rector of Venezuela's National Electoral Council, and Bladimir Humberto Lugo Armas, a commander in the Bolivarian National Guard. Even the Vatican has not been able to act as a mediator in building a dialogue between Maduro and the opposition, despite the country's 70 percent Catholic population. They have to decide this week whether to register candidates for the regional elections.
His post prompted a critical response from Venezuelan opposition leader Henrique Capriles.
The opposition, which controls the legislature, has been sidelined.
Of the 124 people who were killed in violence that accompanied demonstrations, security forces were responsible for 46 deaths and pro-government armed groups known as "colectivos" were responsible for 27 deaths, the United Nations said in a statement.
It's time to change all of that.
"I am proud of the alleged sanctions. because I do not wag my tail like a lying dog", Maduro said after the sanctions were announced.
MARTIN: That's the voice of Carlos Flores.
Responding for the Tories, International Development Secretary Priti Patel said: "Incredibly, Jeremy Corbyn has flat out refused to condemn the brutal regime championed by his socialist ally and friend President Maduro".