Local residents notified authorities that a fire had started inside the temple.
Italian Catholics would like to establish a permanent "observatory for religious freedom" in their country.
According to local media reports, the police quickly arrived and evacuated the residents.
The Nantes Cathedral traces its history back to the 15th century and is considered a major national treasure.
A man threw two homemade incendiary devices at the crucifix of St. Martin De Porres Catholic Church, in the eastern Caribbean.
The state of Tamil Nadu is known for its sizable Christian population and it is of the most hostile state for Christians to live.
Two churches, one in Minneapolis and the other in New York, have been targeted by vandals involved in ongoing protests.
According to General Jean-Louis Georgelin, the phase of reconstruction proper should begin in 2021.