Zambia's government voiced concern on Friday about the "unnecessary financial strain" that would be caused by a new rule requiring its citizens to pay bonds of up to $15,000 to obtain some types of U.

Tourists and business travelers from Zambia and Malawi must pay a deposit of up to $15,000 when seeking a US visa, the State Department has announced, in a move likened to a visa ban for the African nations,

Zambia on Friday expressed "serious concern" at a new United States (US) measure requiring its nationals to post a bond of up to US$15,000 to travel to the country on business or tourist visas.