Pope Francis led a Palm Sunday service the day after he was discharged from hospital following a bout of bronchitis, and urged the world to take better care of the poor, the lonely and the infirm.
Hundreds of Poles marched through Warsaw and other cities in Poland on Sunday to mark the anniversary of the death of John Paul II 18 years ago, as allegations the late pope concealed child abuse deepen rifts in the predominantly Catholic country.
Pope Francis is expected to leave hospital on Saturday pending the results of his latest medical tests and is scheduled to take part in a Palm Sunday service the following day, the Vatican said on Friday.
The Vatican on Thursday formally repudiated the colonial-era "doctrine of discovery", used centuries ago to justify European conquests of Africa and the Americas, saying "it is not part of Catholic Church teaching".
Scuffles broke out outside a Kyiv monastery on Thursday after a Ukrainian branch of the Orthodox Church which the government says has ties with Russia defied an eviction order.