Seven Caterham staff were hospitalised following a fire at the team's Leafield factory late on Thursday.
The team confirmed that it was extinguished "very quickly" but staff were hospitalised for smoke inhalation.
"Six were released soon after and one kept in for observation, but he's ok," said Caterham.
"We know what caused it and steps have been taken to ensure we don't see a repeat. The machinery was operational again within hours," the team added.
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