Kabul, Nov 21 At least 20 civilians were kidnapped after unidentified armed men intercepted buses on a highway in Afghanistan's Zabul province.

"The incident took place in Shahjoy district after the armed men stopped three passenger buses and abducted 20 people," a security source told Xinhua news agency.

The majority of the abductees were from the Hazara ethnic minority, the source said.

No group has claimed responsibility for the incident yet.