President Hakainde Hichilema of Zambia.Credit...Gulshan Khan for The New York Times Supported by By Ruth Maclean LUSAKA, Zambia — Just over a year ago, Zambia had defaulted on its debts.

At least 50 workers have been killed and several others injured in a blast at an explosives factory in Zambia. The explosion occurred on ... north of the capital Lusaka. "The entire plant has been ...