The phrase “jet fuel can’t melt steel,” which references the Twin Towers’ collapse, has circulated online since Sept. 11 and even became part of popular meme culture.

Fires from the crashes at the Twin Towers, made worse by the planes’ ignited jet fuel, badly damaged the buildings’ steel. At 9:59am, after burning for 56 minutes, the South Tower collapsed.

Dirk Delph, 50, of East Flatbush, was at work at M.S. Farrell & Co. on 67 Wall Street when al-Qaeda hijackers crashed jets into the North and South Towers of the World Trade Center on Sept. 11, 2001.

When did the first plane hit the Twin Towers? Timeline of events. ... when a plane filled up with 20,000 gallons of jet fuel cannoned into the NYC World Trade Center’s North Tower.

Greensboro artist Jim Galucci and FOX8 Reporter Cassie Fambro stand beside steel from the Twin Towers. (WGHP) “It still had the smell of jet fuel on it … What really gets you is when things ...

"We all NH's Old Man of the Mountain, but in no way is the Old Man naturally crumbling comparable to the 9/11 terrorist attack on the Twin Towers," Rep. Angela Brennan, a Merrimack Democrat, tweeted.

The phrase “jet fuel can’t melt steel,” which references the Twin Towers’ collapse, has circulated online since Sept. 11 and even became part of popular meme culture.