The latest on Pope Francis' first trip to Africa. (All times local.)

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9:40 a.m.

Pope Francis has boarded his open-sided popemobile for a spin through the tens of thousands of people gathered for his first public Mass in Africa.

A sea of umbrellas awaited Francis at the University of Nairobi campus, and thousands of people stood in lines several kilometers (miles) long to try to get close to the site.

Kenyans are singing, dancing and cheering as he passes by.

Francis arrived in Kenya on Wednesday on his first trip to Africa. Earlier Thursday, he told Christian and Muslim leaders they have little choice but to engage in dialogue to ward off the "barbarous" extremist attacks that have hit Kenya recently.

— Nicole Winfield, Nairobi.