US | One World Trade Center Fire Sweeps 1 WTC's 88th Floor 84 firefighters responded, put out the flames By Kate Seamons Posted Aug 8, 2012 7:34 AM CDT Updated Aug 8, 2012 7:48 AM CDT Copied In this April 17, 2012 file photo, One World Trade Center, rises above the lower New York City skyline as the National September 11 Memorial can be seen at lower right. (AP Photo/Mark Lennihan, File) A fire broke out this morning on the 88th floor of 1 World Trade Center, the centerpiece of the new WTC complex. The blaze was called in around 7:45am, and 84 firefighters responded. CBS New York reports it was extinguished by 8:30am. The cause and scope of the fire remain unknown at this time, but the FDNY apparently said sparks from welding could be the culprit. Read These Next Beyonce leaves national anthem unfinished. A Texas man's disappearance is fodder for true-crime mania. Cancer claims the life of an MLB champ at 44. See the best BBQ cities in the US. Report an error