CNN The Situation Room December 22, 2014 22:33:00
Breaking news in new york city where the mayor, bill de blasio, is asking people to put aside protests until after the funerals of the two police officers who were brutally killed over the weekend. but we're also following reports that north korea's internet system all of a sudden collapsed today. the reports come as the state department put new pressure on north korea to admit that it was behind the cyber attack on sony pictures. let's bring in our global affairs correspondent, elise labott, who's working this story for us. what are you learning? >> u.s. being tight-lipped about these reports...