Sudanese militants kill two, kidnap three at oil field
Security forces are still tracing the perpetrators, he added.
West Kordofan is the main oil-producing state in Sudan. It has faced several attacks by armed militants attempting to disrupt production.
The main rebel group active in the area, the Justice and Equality Movement, denied any involvement in the latest incident.
(Reporting by Khaled Abdel Aziz, writing by Asma Alsharif; editing by Mark Trevelyan)