A New York Police Department (NYPD) cruiser patrols Times Square in New York, U.S., on Monday, Jan. 5, 2015. The New York City Police Department redeployed officers in response to an attack at the Paris offices of a French weekly magazine, in what has become a regular step for the largest U.S. city following terrorist attacks in other parts of the world. Photographer: Craig Warga/Bloomberg via Getty Images
