The Herald Tribune reports two small explosions outside the US Army Camp Zama base south of Tokyo, Japan. The US Army and the Japanese police are investigating the attack and a pair of what appear to be improvised rocket launchers have been found.
The blame is being attributed to radical leftist extremists, but terrorism has not been ruled out. On its website, ABC News offered that the attack could be Al-Qaeda's first attempt in Japan. They reported that intelligence sources suspect the terrorists are "actively planning operations against U.S. and Western targets in Japan." Pakistani intelligence sources reportedly told ABC News they have had several reports that Pakistani militant organizations working with al Qaeda had established networks in Japan as far back as 1999.
This is an interesting development, but I'll bet we don't see a lot of investigative journalism around the story.