Ambassador Mark Lippert injured in a surprise attack at a breakfast meeting . Kim Ki-jong , a 55-year-old anti-US activist , was immediately arrested . Police seeking three charges in attack , including attempted murder . Doubts over whether he carried out attack alone or was part of conspiracy . Kim has visited Korea several times and had books from the country . Lippert needed 80 stitches for slash to his face and may have nerve damage . He could be discharged from hospital Wednesday after stitches removed .
Ambassador Mark Lippert injured in a surprise attack at a breakfast meeting . Kim Ki-jong , a 55-year-old anti-US activist , was immediately arrested . Police seeking three charges in attack , including attempted murder . Doubts over whether he carried out attack alone or was part of conspiracy . Kim has visited North Korea several times and had books from the country . Lippert needed 80 stitches for slash to his face and may have nerve damage . He could be discharged from hospital Wednesday after stitches removed .