Seven Pakistani workers of a US NGO were kidnapped by unknown persons in Balochistan province of southwest Pakistan on Tuesday. Officials were quoted as saying by TV news channels that the workers were kidnapped in Sarkhab area about 50 km from provincial capital Quetta. The workers of the American Refugee Committee were returning to Quetta after visiting a camp for Afghan refugees at the time of the incident. The incident occurred in an area located a short distance from the border with Afghanistan. The police and Levies militia launched a search to trace the kidnapped persons. No group claimed responsibility for the incident.