South Korean military jets accidentally dropped eight 500-pound bombs Thursday on the town of Pocheon, injuring 15 civilians, officials said. The bombs hit houses and a church, leaving two civilians seriously injured,

South Korean fighter jets accidentally bombed homes during a live-fire drill with US forces, injuring more than a dozen people, Seoul’s military said on Thursday.

The South Korean military said the accident near the North Korean border occurred during training ahead of Freedom Shield, an annual U.S.-South Korea joint military exercise.