Nigerian president's top aide tests positive for coronavirus – sources

The Nigerian president's chief of staff has tested positive for coronavirus, a source with direct knowledge and several diplomats said.

The illness of Abba Kyari, who is in his 70s, brings the disease into the immediate circle of 77-year-old President Muhammadu Buhari. (Reporting By Paul Carsten and Alexis Akwagyiram, writing by Libby George; Editing by Andrew Heavens)