{video} A "massive failure" in an electrical interconnection system left Argentina, Paraguay and Uruguay completely without power, and for many customers, restoring electricity would take all day, a utility distributor said Sunday. Parts of Chile and southern Brazil experienced outages as well, said Edesur, the Buenos Aires-based company. Chile's system was running normally again Sunday afternoon, CNN Chile reported. The company later posted an updated statement removing Uruguay and Paraguay from the list of countries that were entirely without electricity, but it isn't clear how many residents in those two countries ... (full story)