Botswana says some diplomats with Omicron came from Europe

Botswana's President Mokgweetsi Masisi said some of the four diplomats who first tested positive for the Omicron coronavirus variant in the country had come from Europe, calling for a reversal of widespread travel bans imposed against southern African countries.

Omicron, dubbed a variant of concern by the World Health Organisation, has prompted many governments to impose curbs on travel from southern Africa, and to take other measures to contain it.

While it is still not established where Omicron first emerged, on Nov 25...