Tributes flow for former UN Chief Kofi Annan

World leaders have paid tribute to former United Nations Secretary General Kofi Annan who has died at the age of 80.

Katibu Mkuu wa zamani wa Umoja wa Mataifa Kofi Annan katika ziara ya kasri ya Elysee, Ufaransa 2017. Source: AAP

Mr Annan has been remembered as a "moral voice of the world".

Mr Annan spent decades championing efforts to try to end protracted conflicts in Africa, Asia and the Middle East.