France's Palace of Versailles is evacuating its visitors for security reasons and will be closed on Tuesday, the Chateau de Versailles said on social network X.
BFM TV, citing police sources, said a bomb squad was on its way to the site.
On October 14, one day after a teacher was killed in an attack, bomb alerts - which proved to be false - forced the evacuation of the Louvre museum, the Palace of Versailles and Paris' Gare de Lyon train station.

US strikes Iranian launchers on Larak Island
Jordan intercepts eight missiles in airpace
At least eight die, 18 missing after ferry capsizes off North Cyprus
Rescuers battle floods and debris as Himalayan disaster death toll nears 800
