Pope Francis knelt and kissed the feet of South Sudan's rival leaders in an unprecedented act of humbleness to encourage them to strengthen the African country's faltering peace process.
At the closed two-day retreat in the Vatican for the African leaders, the pope asked South Sudan's president and opposition leader to proceed with the peace agreement despite growing difficulties.
Onlookers appeared to be stunned as the 82-year-old pope, who suffers from chronic leg pain, was helped by aides as he knelt with difficulty to kiss the shoes of the leaders and several other people in the room.
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