Kim Jong-un attends father's memorial as N Korea bans laughing for 11 days

Pictures have surfaced showing North Korean leader Kim Jong-un attending the memorial service to mark the 10th anniversary of his father Kim Jong-il's death. As part of the national memorial, North Koreans are banned from showing any sign of happiness for 11 days, including a ban on laughing. On the exact death anniversary, North Koreans were banned from grocery shopping.