SEOUL, April 20 (Yonhap) -- North Korea on Thursday accused the United States of planting and fabricating evidence of its alleged counterfeiting activities, citing the testimony of people it claimed were "foreign agents" working for Washington's Central Intelligence Agency and other "plot-breeding organizations." In a statement carried by the country's Korean Central News Agency on Wednesday, an unidentified spokesman for the North's Security Ministry said the country has arrested a number of "foreign criminals" who were taking pictures of what it said was a nonexistent drug factory in a town near its northern border with China. The statement did...