On the eighth, a can exploded at Nishiarai Station in Adachi Ward, Tokyo, injuring a lady. When the Metropolitan Police Department carried out a easy appraisal of the liquid contained in the can, it was extremely possible that it was a robust alkaline detergent. I perceive Since the ruptured can was made from aluminum, the Metropolitan Police Department is investigating the chance that fuel was generated by a chemical response and the can ruptured.
Source
Can rupture at Nishiarai station Is the liquid a robust alkaline detergent or a chemical response that ruptures | NHK
