Special Adviser to the President on Media and Publicity, Mr Femi Adesina, had announced Mr Kyari’s death on Twitter early Saturday.

Kyari, who was the Chief of Staff to President Muhammadu Buhari, had been diagnosed with COVID-19.

Former Vice President Atiku Abubakar said he was “saddened” by the news

Inna lillahi wa inna ilayhi raji'un. I am saddened by the death of Chief of Staff, Abba Kyari. May Allah SWT comfort his family, forgive his sins and grant him AlJannah Firdaus. Ameen.

— Atiku Abubakar (@atiku) April 18, 2020

Senate President, Ahmed Lawan asked God to “forgive the shortcomings” of the late Kyari.

https://twitter.com/DrAhmadLawan/status/1251339534522101760

Former President Goodluck Jonathan prayed for Kyari’s friends and family “during this moment of grief.”

I condole with H.E @MBuhari, the Kyari family & all sympathisers on the demise of Mallam Abba Kyari who until his death was  the Chief of Staff to the President of Nigeria.
May Allah grant him Al Jannah Firdaus & strengthen his family & friends during this moment of grief.
GEJ

— Goodluck E. Jonathan (@GEJonathan) April 18, 2020

Others who have reacted to Kyari’s death include the Minister of State for Labour and Employment, Festus Keyamo; the Group Managing Director of the Nigerian National Petroleum Corporation (NNPC), Mele Kyari and the EU Ambassador to Nigeria and ECOWAS, Ketil Karlsen

May Allah forgive Mallam Abba Kyari and have mercy upon him. Was a truly good man, profoundly faithful and loyal to our country.

— Mele Kyari, OFR (@MKKyari) April 18, 2020

When I chatted with him exactly on Tuesday, March 24, 2020, he assured me his health was fine and that he would faithfully take the treatments. But God always knows best. Sincere condolences to the Kyari family and the Government of Nigeria. Adieu Mallam Abba Kyari. https://t.co/EZ3BX2qibd

— Festus Keyamo, SAN, CON, FCIArb (UK) (@fkeyamo) April 18, 2020

Source channels news