Migrants are human beings who symbolise all those rejected by globalisation, Pope Francis told a special mass on Monday, saying “the weakest and most vulnerable must be helped.”
The ossuaries were found last week under the floor of the Pontifical Teutonic College after the shock discovery that the bones of the princesses had disappeared from two tombs in the Teutonic Cemetery.
"I have to apologise for being late," the smiling 82-year old pontiff told crowds of faithful patiently waiting for him to appear at his study window overlooking Saint Peter's Square.
Pope Francis was walking through the square in Vatican City and greeting pilgrims on his way to see the large Nativity scene set up in the huge, cobbled esplanade.
Move comes in response to mounting criticism that the high degree of confidentiality has been used to protect pedophiles, silence victims and prevent police from investigating crimes.
Until now, cardinals and bishops accused of criminal offences could only be judged by a supreme court consisting of three cardinals, aided by two or more lay judges.
A man dressed in a full, skin-tight, red, black and blue costume of the comic book character - including head cover - was sitting in a VIP section of the audience in Vatican's San Damaso Courtyard.
Pope Francis has decided to deliver Sunday's prayer by livestream and Italy called in retired doctors as the new coronavirus epidemic gathered strength and emptied streets in Europe's worst affected country.