France, Feb. 4 -- Hage Geingob, President of Namibia, one of Africa's most stable democracies, died Sunday while receiving medical treatment at a local hospital, his office announced.

The Namibian presidency said Geingob's medical team at Lady Pohamba Hospital did its best to help him, but he died with his wife, Monica Geingos, and children by his side, in a post on X, formerly Twitter,

Angolo Mbumba, Namibia's acting president, called for calm, saying in the same post that the "Cabinet will convene with immediate effect in order to make the necessary state arrangements in this regard."

Local media reported Mbumba has called for an urgent cabinet meeting.

Geingob was undergoing treatment for cancer. The 82-year-old had a colonoscopy a...