JOHANNESBURG (Reuters) – Nkateko Muyimane and six fellow African students hid in a subway while Russian shells pounded Kharkiv, before fleeing on a train to Budapest they very nearly failed to board.

President Bola Tinubu declared seven days of national mourning and a public holiday to mourn the demise of ex-president Muhammadu Buhari, who succumbed to a prolonged illness Presidents, global and ...