North Korean Premier Pak Thae-song (C) inspects the Kim Chaek Iron and Steel Complex in Chongjin, North Hamgyong Province, northeastern North Korea, in this undated photo released by the North's ...

The red dot shows where an earthquake occurred in North Korea's Ongjin County, South Hwaghae Province, near the western sea border with South Korea on Jan. 5. [KOREA METEOROLOGICAL ADMINISTRATION ...

Yu Hyuk was just nine years old when he started begging on the streets of North Hamgyong, one of the poorest provinces in North Korea, nestled along the northern border with China and Russia.