11.   The warehouse is used to store chemicals for making medications for clinical trials, the company said.

12.   The owner of the sulphur stock was reportedly storing the chemical before selling it.

13.   Witnesses said they heard two explosions from the warehouse of a helmet manufacturer which was storing chemicals and fibreglass and the blasts flattened several buildings in the area.

14.   Officials at several government departments have confirmed they are studying whether the church was breaking the law by using or storing the chemicals.