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.

Afghan Taliban says 400 killed in Pakistan air strike on Kabul hospital
Five countries warn against major Israeli ground offensive in Lebanon
Fire breaks out at Qatar's Industrial Area after missile interception
Kuwait arrests Hezbollah-linked cell in security crackdown
Drone attack hits hotel in Baghdad Green Zone
