Argentina announces it has severed diplomatic ties with the disputed Nicolás Maduro-led Government of Venezuela in favour of explicit recognition of opposition leader Juan Guaidó as interim president of Venezuela in the context of the 2019 Venezuelan presidential crisis.
Venezuelan security forces surround the Palacio Federal Legislativo in Caracas, preventing opposition National Assembly lawmakers from entering the building to discuss a response to the recent arrest of National Assembly Vice President Edgar Zambrano.
The President of the National Assembly of Venezuela Juan Guaidó tells the BBC he is considering formally requesting the United States to launch a military intervention to topple President Nicolás Maduro. Guaidó led a failed uprising against Maduro last month.
Juan Guaidó announces that he will exercise his "duties as president" when he returns to Venezuela from Colombia. Guaidó also stated that he did not see any signs of "broad support" from Russia towards Nicolás Maduro.
Venezuelan opposition deputy Freddy Superlano and his assistant are poisoned at a restaurant in Cúcuta, Colombia. His assistant and cousin, Carlos Salinas, has died while Superlano is in a serious but stable condition in hospital.
The Venezuelan National Guard blocks off a bridge on the Colombia–Venezuela border with a tanker truck. The Venezuelan opposition had been planning to use the bridge to bring humanitarian aid into the country, while President Nicolás Maduro has rejected foreign aid, saying "we're not a nation of beggars".