Kabul- A Japanese aid worker along with his Afghan driver were kidnapped in Afghanistan's eastern province of Nangarhar on Tuesday morning, police said.

"The two men's vehicle was stopped by a group of unknown gunmen in Badyalai village in Khewa district," a police official who did not want to be named, told Deutsche Presse-Agentur dpa.

"The Japanese aid worker and his driver were dragged out of their vehicle and were taken to an unknown location," the source said.

Ghafour Khan, provincial police chief of Nangarhar, also confirmed the abduction and said that police forces were deployed to the area to track down the kidnappers.

No group immediately took responsibility for Tuesday's abduction. (dpa)