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ZURICH (Reuters) - A fire broke out on Thursday at UBS’s headquarters, under renovation in downtown Zurich, prompting an evacuation but no injuries, authorities said.

Zurich rescue crews said seven people were examined by medics but did not need hospital treatment after the blaze broke out on the top floor of the building on Zurich’s ritzy Bahnhofstrasse.

“Firefighters are extinguishing the fire and ensuring it does not spread,” an emergency services spokeswoman said.

Several fire trucks and ambulances responded to the scene. Authorities advised residents to avoid the area.