Explosion at a US air base in southern Japan injures 4 Japanese soldiers

TOKYO AP An explosion at a storage site for unexploded ordnance at a U S military base on Japan s southern island of Okinawa injured four Japanese soldiers though the injuries are not life-threatening authorities mentioned Monday The four soldiers sustained finger injuries while working at a facility that belongs to Okinawa prefecture and temporarily stores unexploded ordnance mostly from wartime and located on the island local officers noted One of the harshest battles of World War II was fought on Okinawa Prefectural executives commented the injuries were not life-threatening but no other details were promptly known The U S Air Force stated in a announcement that the explosion occurred at the facility managed by the Okinawa prefectural establishment at Kadena Air Base s munitions storage area It noted no U S servicemembers were involved in the situation The Self Defense Force s joint staff revealed one of the devices suddenly exploded when the soldiers were inspecting it at the facility The blast occurred when the soldiers were trying to remove rust NHK television communicated The SDF noted they are trying to confirm what caused the accident Monday s accident was assumed to be the first ever since the launch of the Japanese army s unexploded ordnance disposal unit Hundreds of tons of unexploded wartime bombs various of them dropped by the U S military remain buried around Japan and are sometimes dug up at construction sites and elsewhere Numerous of them are still determined on Okinawa where about tons of unexploded U S bombs are presumed to remain In October an unexploded wartime U S bomb exploded at a commercial airport in southern Japan causing a large crater and suspending dozens of flights Source