SEOUL, South Korea — A fire likely sparked by exploding lithium batteries swept through a manufacturing factory near South Korea’s capital on Monday, killing 22 mostly Chinese migrant workers and injuring eight, officials said. [time-brightcove not-tgx=”true”] The fire began after batteries exploded while workers were examining and packaging them at the second floor of the factory in Hwaseong city, just south of Seoul, at around 10:30 a.m., fire officials said, citing a witness.