Sweltering passengers were left stranded in Buenos Aires as trains experienced delays and cancellations after the massive blackout.

<a href="https://www.foxnews.com/video/6321319717112" target="_blank"><strong><u>THUNBERG CHAINS HERSELF TO NORWAY ENERGY MINISTRY IN PROTEST OVER PLACEMENT OF WIND FARM</u></strong></a>

<div class="m"><picture><source media="(max-width: 767px)" srcset="https://a57.foxnews.com/static.foxnews.com/foxnews.com/content/uploads/2023/03/343/192/argentina.jpg?ve=1&amp;tl=1, https://a57.foxnews.com/static.foxnews.com/foxnews.com/content/uploads/2023/03/686/384/argentina.jpg?ve=1&amp;tl=1 2x"><source media="(min-width: 767px) and (max-width: 1023px)" srcset="https://a57.foxnews.com/static.foxnews.com/foxnews.com/content/uploads/2023/03/672/378/argentina.jpg?ve=1&amp;tl=1, https://a57.foxnews.com/static.foxnews.com/foxnews.com/content/uploads/2023/03/1344/756/argentina.jpg?ve=1&amp;tl=1 2x"><source media="(min-width: 1024px) and (max-width: 1279px)" srcset="https://a57.foxnews.com/static.foxnews.com/foxnews.com/content/uploads/2023/03/931/523/argentina.jpg?ve=1&amp;tl=1, https://a57.foxnews.com/static.foxnews.com/foxnews.com/content/uploads/2023/03/1862/1046/argentina.jpg?ve=1&amp;tl=1 2x"><source media="(min-width: 1280px)" srcset="https://a57.foxnews.com/static.foxnews.com/foxnews.com/content/uploads/2023/03/720/405/argentina.jpg?ve=1&amp;tl=1, https://a57.foxnews.com/static.foxnews.com/foxnews.com/content/uploads/2023/03/1440/810/argentina.jpg?ve=1&amp;tl=1 2x"> <img src="https://a57.foxnews.com/static.foxnews.com/foxnews.com/content/uploads/2023/03/640/320/argentina.jpg?ve=1&amp;tl=1" alt="Vehicles are seen on a dark street after a grid fire caused massive blackouts in Argentina." width="100%" height="auto"></picture></div> <div class="info"><div class="caption"><p><span>Vehicles are seen on a dark street after a grid fire caused massive blackouts in Argentina.</span> <span>(CANAL 13 / BUENOS AIRES SECURITY SECRETARY)</span></p></div></div>

The country's economy ministry has requested an investigation into how <a href="https://www.foxnews.com/category/us/disasters/fires" target="_blank">the fire</a> was started.

Several blackouts have occurred in the country since January amid high electricity demand.

Massive regions of Argentina are experiencing blackouts after a grid was on fire. Residents are left without power as they endure a major heat wave in the country.

Buenos Aires plunges into darkness after energy grid fire causes massive blackout

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