BAGHDAD, Iraq - Kidnapped aid worker Margaret Hassan was believed to be dead Tuesday after a video received by Al-Jazeera television showed a hooded figure shooting a blindfolded woman in the head. pistol into the head of a blindfolded woman wearing an orange jumpsuit, Al-Jazeera spokesman Jihad Ballout said. "She was presumed to be Mrs. Hassan," he told The Associated Press.

The station initially said it would air parts of the video, but Ballout then said it would not.