Fire fighters try to extinguish fire in southern Pakistani port city of Karachi on Jan. 9, 2021. Eight people were injured when a fire erupted in a chemical factory in Pakistan's southern port city of Karachi on Saturday morning, local reports said. (Str/Xinhua)

Fire rages through a factory in southern Pakistani port city of Karachi on Jan. 9, 2021. Eight people were injured when a fire erupted in a chemical factory in Pakistan's southern port city of Karachi on Saturday morning, local reports said. (Str/Xinhua)

Fire rages through a factory in southern Pakistani port city of Karachi on Jan. 9, 2021. Eight people were injured when a fire erupted in a chemical factory in Pakistan's southern port city of Karachi on Saturday morning, local reports said. (Str/Xinhua)

Fire rages through a factory in southern Pakistani port city of Karachi on Jan. 9, 2021. Eight people were injured when a fire erupted in a chemical factory in Pakistan's southern port city of Karachi on Saturday morning, local reports said. (Str/Xinhua)