Chemical factory explosion in South Korea kills 2
SEOUL (AP) - An explosion at a chemical factory in South Korea has killed at least two workers and injured two others.
Police say the explosion occurred on Thursday when the four people were working near a tank truck carrying chemicals similar to hydrochloric acid.
Police officers say a fifth worker was also near the truck at the time of the explosion and has not been found.
The cause of the explosion is still being determined.