BAGHDAD (Reuters) - An Arab satellite channel on Wednesday broadcast footage of what appeared to be an explosion under a U.S. military vehicle in Iraq and said a previously unknown group sent the video tape vowing further attacks soon. The Qatar-based al-Jazeera television said it also received a statement in Arabic from the group calling itself Mujahidoo al-Ta'ifa al-Mansoura (Muslim Fighters of the Victorious Sect) claiming responsibility for several attacks on U.S. forces in Iraq as well as the cassette of one of the operations.

The statement "urged Iraqis to stay away from U.S. forces for their own safety because the group planned further attacks in the near future," Jazeera said, showing a copy of the brief statement in Arabic.[...]