A fire alarm prompted the partial evacuation of the Davos Congress Centre on Wednesday evening while Donald Trump was inside the building attending the World Economic Forum, Swiss authorities said.

Police in the Swiss canton of Graubünden said emergency services were deployed as a precaution due to the high-security environment surrounding the event. No injuries were reported, and officials said the exact origin of the incident was still being investigated.

Trump had delivered remarks earlier in the day and was present at the venue when the alarm was triggered. Parts of the congress centre were evacuated temporarily before the situation was brought under control, according to local reports.

Authorities said the incident coincided with a separate fire involving a nearby structure, which also led to precautionary evacuations. That fire was later extinguished, with no reported casualties.

The disruption came on a busy day at the forum, where global leaders have been holding meetings on security, trade and geopolitics. Trump earlier announced progress on discussions with NATO related to Greenland and said planned U.S. tariffs on several European countries would not proceed.

Officials said normal operations at the Davos venue resumed after emergency checks were completed.

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