A man lost control of a vehicle at a festival in the city of Viña del Mar, AFP said police officer Jorge Guaita.
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Seven more people were hit and injured. Their lives are not in danger, he added.
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According to initial reports, the driver was driving at high speed on a road running next to the festival site.
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The driver was detained, and his sobriety will be checked, said J. Guaita.
