The Twitter updates written by Benedict XVI on the Pontifex account have been deleted.
The Twitter account is now titled "Sede Vacante", the Latin phrase for "the seat being vacant".
More top news
Three people have been seriously injured after a coach carrying Rangers football supporters crashed in East Ayrshire.
Detectives investigating the abduction and rape of a 14-year-old girl as she walked to school have released a description of the offenders.
His widow wrote about his struggles with the little-known Lewy body disease in a neurological journal.