Pope had 'remarkable strength as teacher and pastor'
The head of the Roman Catholic Church in England and Wales has described his shock at the Pope's announcement.
ITV News correspondent Geraint Vincent spoke to the Archbishop of Westminster, the Most Reverend Vincent Nichols about Pope Benedict's legacy and the future direction of the Catholic Church:
Pope resignation: What happens next?
So, we're all shocked at the resignation of the Pope, but what happens next?
Pope Benedict XVI announces shock resignation
Pope Benedict XVI has made the announcement that he will resign as the head of the Roman Catholic Church due to his "advanced age."
A shock resignation and momentous days ahead
Who will follow in Pope Benedict's footsteps? Is it time for an African pope?