CNN reports that the strike abruptly took place during a routine meeting. Gallery attendants, ticket agents and security refused to work in protest over uncontrollable crowds, understaffing and what was referred to by a union as an “untenable” working environment. No additional details were revealed.

Staff at the Louvre staged a rare work stoppage over poor working conditions and relentless crowds, as Europe grapples with the growing strain of overtourism.