U.K. police have opened a criminal investigation into a collision between two ships in the North Sea and have arrested a man on suspicion of manslaughter.
The launch happened hours after South Korean and U.S. troops kicked off their large annual combined drills, which the North views as an invasion rehearsal.
South Korean and U.S. militaries halted all live-fire exercises across South Korea after South Korean jets mistakenly released bombs on a civilian area.
