A Russian ship’s cargo of dangerous ammonium nitrate was stranded in Beirut port for years 

As Lebanon’s investigation into the devastating blast in Beirut continues, officials have pointed to a possible cause: A massive shipment of agricultural fertilizer that authorities say was stored in the port of Beirut without safety precautions for years — despite warnings by local officials.

https://edition.cnn.com/2020/08/05/europe/lebanon-russian-ship-blast-intl/index.html