The investigation into an explosion in the harbor of Lebanon’s port city of Beirut is focusing on how 2,750 tons of ammonium nitrate, a highly explosive chemical used in fertilizers, came to be stored at the facility for six years, and why nothing was done about it.
The explosion Tuesday blasted a crater into the port and hit the city like a freight train, killing more than 100 people and injuring thousands. Buildings were damaged for miles around the city. Some other recent deadly explosions involving ammonium nitrate:
