ANKARA A South Korean opposition lawmaker on Tuesday claimed that North Korea has constructed around 10 kilometers (6.2 miles) of anti-tank barriers near the inter-Korean border, according to Yonhap News Agency. Yu Yong-weon, a lawmaker from the main opposition People Power Party, said satellite imagery and intelligence from the Joint Chiefs of Staff show Pyongyang has built four clusters of barriers, each about 2.5 kilometers long, north of the Military Demarcation Line within the