Venezuela has once again been plunged into darkness, with a massive blackout leaving most of the country without electricity.
It is believed 19 of 24 states are affected, with the blackout hitting Caracas during rush hour Monday night, shutting down the subway system and causing heavy traffic jams. Government authorities claim the opposition conducted an "electromagnetic attack" against dams in southern Venezuela; during a huge blackout in March, President Nicolás Maduro blamed the U.S., accusing the country of sponsoring an attack on Guri Dam, which provides nearly 80 percent of Venezuela's electricity.
Venezuela is experiencing food and medicine shortages and extreme inflation, and opposition leader Juan Guaidó has called for protests across the country on Tuesday. Guaidó and other opponents say blackouts are proof Maduro has not invested in the country's infrastructure, and its electrical grid is in serious jeopardy. Catherine Garcia
Both countries share an electrical grid, and when the electricity was cut off, tens of millions of people were without power. Parts of Chile and Paraguay were also affected. The lights went out on Sunday morning, and by Sunday evening, officials said more than 80 percent of customers in Argentina and 88 percent in Uruguay had power again.
Gustavo Lopetegui, Argentina's energy minister, said the electrical system is "robust," and while "we're not ruling out any possibility ... we don't think it is down to a cyber attack." Argentine media reports that officials are linking the outage to a failure in the transmission of electricity from a hydroelectric dam, BBC News reports.Catherine Garcia