North Korea has opened an account with the global video-sharing website YouTube, uploading clips praising the isolated communist state and denying allegations that it sank a South Korean warship.

Eleven clips were found Tuesday under the name of uriminzokkiri, a North Korean government website.

Japan's industry ministry has ordered Apple to report on measures it will take regarding cases of its iPod Nano music player overheating and catching fire, an official said Thursday.

Overheating of the 2005 iPod Nano while charging has caused at least 27 incidents, including six fires that required firefighters to be called, an official from the Economy, Trade and Industry Ministry said.