A fire broke out Monday at a lithium battery factory near Seoul, South Korea. The blaze left a gaping hole in the roof of the three-story building. Photo: IC Photo

Fire crews work to extinguish the fire in Hwaseong, 45 kilometers (28 miles) south of the capital. Photo: IC Photo

Firefighters search for missing people inside the factory. Photo: VCG

Aricell’s logo hangs burned and warped on the side of the factory. Photo: VCG

Firefighters work at the scene. Photo: IC Photo

Emergency personnel transport the body of a victim from the scene of the fire on Monday. Twenty-three people died in the blaze, local media reported. At least 17 Chinese were among the dead, according to a statement from the Chinese embassy. Photo: VCG

South Korean President Yoon Suk Yeol, (fourth from left), arrives at the scene Monday. Photo: VCG

Chinese Ambassador to South Korea Xing Haiming is interviewed at the scene Monday. He urged authorities to find out the cause of the accident as soon as possible. Photo: CCTV.com

Inside the battery factory, police, firefighters and the National Forensic Service investigate the cause of the fire Tuesday. Photo: VCG