Two Russian pilots were abducted on Sunday in the city of Nyala in Sudan's South Darfur province, the country's SUNA news agency reported on Monday.
Both pilots were employees of the Khartoum-based Badr Airlines, the agency said without giving further details. The airliner provides cargo and passenger air services for various international aid programs, RIA Novosti reoported.
The civil war that broke out in the western region of Darfur in early 2003 has claimed the lives of more than 300,000, according to United Nations estimates, and forced 2.7 million people from their homes. Sudan puts the number of dead at 10,000.
Abductions of foreigners, including aid workers and peacekeepers, have been on the rise in the war-torn region in the past months. In most cases, foreign nationals are being abducted for ransom.
In the most recent similar incident, a Mi-8 helicopter of the Russian aviation company UTAir was seized by an armed tribal group in late July. The helicopter, with a crew of four Russians, later returned to its base in Nyala.