The US will require citizens from Malawi and Zambia to pay a $15,000 (£11,300) deposit for a tourist or business visa, according to the US state department. The 12-month pilot programme aims to curb visa overstays "or where screening and vetting information is considered deficient ", according to a notice published by the state department.

Business travelers and tourists from Malawi and Zambia will have to pay deposits of as much as $15,000 to secure US visas, a measure aimed at curbing overstays in the world’s biggest economy.

President Donald Trump's administration will require visa applicants from Zambia and Malawi to pay bonds up to $15,000 for some tourist and business visas under a pilot program launching in two weeks,