BELEM, Brazil — Fire disrupted United Nations climate talks in Brazil on Thursday, forcing evacuations of several buildings and delaying already sluggish negotiations by most of a day with no major agreements even close. Officials said 13 people were treated for smoke inhalation.

The fire erupted in an area of pavilions where sideline events are held during the annual talks, known this year as COP30. The fire was quickly brought under control, but fire officials ordered the entire site evacuated for safety checks and it wasn't clear when conference business would resume.

The fire could cost significant time if the talks don't resume until Friday's scheduled final day. The presidency of the talks had planned to have ministers and diplomats work late Thursday.

It was also possible that on

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