Explosion rocks US Kadena Air Base in Japan's Okinawa

An explosion occurred at an ammunition storage area inside the US military's Kadena Air Base in Okinawa, southern Japan, on Monday, reports claimed on Monday.

A Yomitan Village official said there has been a report of an unknown number of injuries.

Public broadcaster NHK reported that the facility belonged to Japan's Self Defense Forces and was used to temporarily store unexploded ammunition.