Mercosur suspends Venezuela from the South American trading bloc for failing to meet membership requirements on trade and human rights.
A major power blackout leaves most of Venezuela without electricity, including the capital Caracas. At least 18 of Venezuela's 23 states have reported blackouts. Venezuelan news website El Pitazo blames failures at Simón Bolívar hydroelectric plant; state TV blames anti-government saboteurs.
Venezuelan President Nicolás Maduro says that he has "hard evidence" that the Colombian government planned and executed an attempted assassination attack on him on Saturday, and that he will release it later in the day.
Colombian President Álvaro Uribe and Venezuelan President Hugo Chávez almost come to blows at the Rio Group summit in Playa del Carmen, Mexico, with Uribe taunting Chávez "Be a man! … you're a coward face-to-face! Stay and argue face-to-face!" and Chávez responding with a simple "Go to Hell!" The Summit also announces the creation of the Community of Latin American and Caribbean States.