The Arabic al-Jazeera TV channel has broadcast a video purporting to show two German engineers who were kidnapped in
The pair appealed to
Kidnappers seized Thomas Nitzschke and Rene Braeunlich near an oil refinery compound at Baiji, 180km (110 miles) north of
Baiji has seen much insurgent activity aimed at disrupting oil distribution in recent months.
Dozens of foreign hostages are being held in
Gunmen stood behind the men in the video, in which the captives were seen speaking, but not heard.
Al-Jazeera said the tape was received from a group that calls itself the Ansar al-Tawhid wa al-Sunnah, which did not make any demands through the broadcast.
The men were taken early on Tuesday from the house they were staying in at a detergent plant near the large refinery in Baiji.
Police believe the pair were taken north to
The kidnap of the two men follows the release of Susanne Osthoff, a German archaeologist abducted in northern
The German government said media reports that a ransom had been paid to free her might have encouraged the latest kidnapping.
PHOTO CAPTION
Rene Braeunlich, one of the two German engineers kidnapped in
Source: BBC