This file photo dated Sept 2, 2021 shows the European headquarters of the United Nations in Geneva, Switzerland. (PHOTO / REUTERS)

GENEVA - The United Nations has reopened its European headquarters in Geneva, Switzerland after earlier on Friday shutting it due to an intrusion.

"Please be informed that the issue at the Palais des Nations has now been solved. All the access points have been reopened," it said in a statement.

A spokesperson later told Reuters the closure was due to a "perimeter intrusion" earlier on Friday morning.

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The Palais des Nations building houses the UN Human Rights Council and is a hub for diplomats, humanitarian workers and state officials.