UNITED NATIONS (AP) - An angry North Korea, now on the defensive over a U.S. accusation of hacking, is refusing to take part in a groundbreaking U.N. Security Council meeting Monday where the country's bleak human rights situation will be discussed for the first time.International pressure has built this year on Pyongyang after a sprawling U.N.-backed inquiry of alleged crimes against humanity and warned that young leader Kim Jong Un could be held accountable.