The 85-year-old announced the decision in Latin during a meeting of Vatican cardinals this morning.
He said that because of his age and diminishing strength, he didn't feel he could carry on.
On the Island, Lord Bishop Robert Paterson has described the Pope as having a formidable intellect but also formidably conservative.
He admits the resignation has come as a surprise:
Bus price set to rise from next week
There's also a new timetable in place
Former Douglas nightclub to transform into 'multi-functional hub'
The club's been empty for four years
Apology for those facing 'challenges' with visa applications
Treasury says it's down to increased processing times
MHK hopes to secure provision of free period products
Joney Faragher to request leave to introduce Private Members Bill
Ballalockie should be complete by the end of Summer
It's in aid of Lockie Kirk who is undergoing treatment at Derby House in Liverpool
Cycling: IoM Youth and Junior Tour returns this weekend
Hundreds of top prospects in the sport to take on two days of racing
