Argentina, where Francis was known for working with the poor, announces seven days of mourning over pontiff's death.
Tehran official's Beijing trip comes before third round of talks with the US and follows consultations with Russia.
Amid international indifference to the continuing genocide, the pope used his last address to call for a ceasefire.
The US is targeting China with a military buildup in the Pacific — but some in Japan, Guam and Hawaii are pushing back.