Your power bank could be a subway fire risk

“Four smoke incidents involving portable power banks were reported on Seoul subway trains over the past two months, prompting Seoul Metro to urge passengers to take extra care when carrying and charging lithium-ion batteries. According to Seoul Metro, all four incidents involved power banks carried by passengers. No injuries were reported, as emergency measures were taken at nearby stations before the situation escalated into fires. The first incident occurred on April 27 aboard a Line 3 train bo

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