t least six people are dead and hundreds more have been injured after stands collapsed at a bullfight in Colombia over the weekend.

On Sunday, attendees were watching the event in El Espinal — a city about 100 miles southwest of the country's capital of Bogota — when part of the stands collapsed, ABC News reported citing the Tolima Civil Defense.

Alongside the six individuals who lost their lives, hundreds more were also injured. 10 of those are in serious condition, the Tolima Civil Defense said, per the outlet. CNN reported that hospitals in the area received 322 patients who were injured, citing Tolima Health Secretary Martha Palacios.

Tolima provincial governor Jose Ricardo Orozco initially reported four deaths ("two women, a man and a minor") to local Blu Radio, per Reuters.

Authorities did not say what caused the arena to collapse, according to the Colombian newspaper El Tiempo.

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The mayor of Espinal, Juan Carlos Tamayo, confirmed the accident in a Facebook post, where he urged citizens to evacuate the area.

"We deeply regret what happened in our bullfight arena," Tamayo said. "I want to ask all the citizens who are in the area to please evacuate, authorities are already responding to the emergency and the injured have been taken to hospitals."