The YouTube video is authentic and not doctored , a Japanese legislator says . He calls the leak `` a big mistake for the government '' because it shows that Japan has been involved in illegal activities on its territory with North Korea's nuclear program. " Kan 's office is investigating the leaking of the video .
The YouTube video is authentic and not doctored , a Japanese legislator says . He calls the leak `` a big mistake for the government '' China has made an `` official inquiry '' with the Japanese prime minister 's office . Kan 's office is investigating the leaking of the video .