Pope Francis Celebrates Mass in Nairobi, Kenya

Catholic Kenyans wait in the rain to attend a Holy Mass to be given by Pope Francis at the campus of the University of Nairobi, in Kenya, Nov. 26, 2015. Pope Francis is in Kenya on his first-ever trip to Africa.

Pope Francis leaves after celebrating Mass at the campus of the University of Nairobi, Kenya, Nov. 26, 2015, having told religious leaders they need to engage in dialogue to guard against the "barbarous" Islamic extremist attacks that have struck Kenya.

Kenyan Catholics take Holy Communion during a Mass celebrated by Pope Francis at the University of Nairobi, in Kenya, Nov. 26, 2015.

Kenyans gather under umbrellas during a Mass by Pope Francis at the University of Nairobi, in Kenya, Nov. 26, 2015. The pope is making his first trip to Africa.

The faithful attend a Mass by Pope Francis, as rain falls at the campus of the University of Nairobi, in Kenya, Nov. 26, 2015. Francis is on a six-day pilgrimage that will also take him to Uganda and the Central African Republic.

People gather to attend a Mass celebrated by Pope Francis, at the campus of the University of Nairobi, Kenya, Nov. 26, 2015.

Volunteers in Kenya help usher priests, bishops and cardinals to a Mass performed by Pope Francis at the University of Nairobi, in Kenya, Nov. 26, 2015.