A Kazakhstani worker was wounded on Monday when he stepped on a landmine inside the civilian control line (CCL) between South and North Korea in Yanggu, Gangwon Province.

This mine is not believed to have been North Korean, but a U.S.-planted one dating back to the years not long after the Korean War.

The 54-year-old victim was working at a ginseng farm where the landmine was likely exposed due to recent rainfall.

Police authorities have speculated that it was an M14 anti-personnel landmine, and Kim Ki-ho, president of Landmine Korea, said that the worker’s wounds indicate that this is likely