At 8:46am on a sunny Tuesday morning in New York City, a commercial jet plane flew into the North Tower of the World Trade Centre, cutting through floors 93 to 99.
- Barbara Keys
- The Conversation
As the news was beamed around the world, shaken reporters wondered whether the crash had been an accident or an act of terrorism.
Suddenly, it was clear that the United States was under attack.
The scale of the assault became apparent about 40 minutes later, when a…