Bloomberg helped turn on the 30,000 energy-efficient lights dressing the tree Tuesday night.
The event took place less than a week after the arrest of a 19-year-old Somali-American man charged in an alleged plot to blow up a car bomb at a Christmas tree lighting ceremony in Portland, Ore.
New York police blocked off streets and searched bags. They also urged people to use mass transit instead of cars to get there.
By Elaine Donnelly
Extending sexual misconduct to combat units
Independent voices from the TWT Communities
Video reviews of today's hottest trends in Minecraft (servers and mods) along with a look at the latest video games with your host MCairsoft14 (alias Jerad Zad).
Covering the world of soccer, including the World Cup, Major League Soccer, D.C. United and the English Premier League and other interesting sporting events.
Contributions to the Communities Sports desk from readers.
Straight talk on climate science, energy economics, and public policy.
Benghazi: The anatomy of a scandal
Vietnam Memorial adds four names
Cinco de Mayo on the Mall
NRA kicks off annual convention