NCS urges travellers on responsible use of U.S. visas The Nigeria Customs Service (NCS) wishes to alert the general public to the concerns raised by the Government of the United States of America on the need for Nigerians to desist from misusing entry visas granted by the US through activities that are inconsistent with the stated purpose of travel and visa classification. Nigerians are urged to note that security vetting for visa applicants does not end upon entry into the United States. U.S. authorities will continuously monitor the activities of visa...