New York Police Department terms the incident as an 'assassination'
North Korea rubbishes US allegations calling them childish
Recent hack by North Korea an act of cyber-vandalism: Barack Obama
Gunman kills two New York police officers in possible revenge attack
Gunman ambushes New York police officers, kills self
Protesters gather at America's biggest shopping mall
Austria arrests couple with machine gun in plane luggage
Barack Obama's year-end message to Americans: I'm not a lame duck
With the temperature dipping sub-zero half the world over, here's how people are enjoying the white wonder we call snow.