N Korean leader calls for boosting self-reliance

North Korean leader Kim Jong-un has called for strengthening the country's self-reliance despite immediate challenges , including economic difficulties, Pyongyang's state media reported on Friday.

Kim delivered the message in a letter to the participants at the 5th Conference of the Frontrunners of the Three Revolutions that kicked off in Pyongyang on Thursday, according to the country's official Korean Central News Agency (KCNA). In the letter, Kim articulated methods to carry out the development and rebuked people who are not making utmost efforts for the movement, "intimidated by immediate challenges, such as the economic difficulties, Yonhap News Agency quoted the KCNA as saying.