The collapse "lacerated the heart of Genoa," said the city's archbishop, Cardinal Angelo Bagnasco.
President Recep Tayyip Erdogan told supporters on Saturday that his country will stand strong against an "attempted economic coup" amid heightened tensions with the United States.
"Kofi Annan was a guiding force for good," said current U.N. Secretary General António Guterres. "In many ways, Kofi Annan was the United Nations."
Opposition parties have held regular protests since last month's election, alleging vote rigging by the powerful security establishment.
He insists he will put funny business aside.