Extra police officers have been assigned to St Peter's Square as the Vatican steps up measures to protect the Pope.
Security procedures have been increased around the Holy See, but the pontiff will not curtail his activities, officials said.
The Italian government said there was no specific threat to the Holy Father, but interior minister Angelino Alfano said Rome was considered a target for Islamic State (IS).
The group has been taking over parts of Iraq and Syria, killing thousands of Christians.
There were fears for the Pope during his recent trip to the mainly Muslim nation Albania.
Pope Francis refused to let the concerns prevent him from getting close to the public, Vatican spokesman Father Federico Lombardi said on Monday.
News you can believe in. Stand with Premier Christian News today.
Your gift today ensures that Premier Christian News can press forward in strength, reaching more people with biblical truth and shaping the future of Christian thought. It’s more than just a donation—it’s an investment in renewed minds and transformed lives.
Without continued support, the ability to create and distribute resources that strengthen faith and equip the church will be compromised. But with your help, we can grow deeper, stand firmer, and shine brighter in the culture.
Your support today is critical.
Support Us