Central Oklahoma authorities say three people have been injured in an explosion and fire at a saltwater disposal well.
Kingfisher County emergency management officials say the explosion occurred shortly after 3 p.m. Wednesday at a saltwater disposal well south of Oklahoma Highway 33. The wells are used to dispose of wastewater from oil and natural gas operations.
Officials say those injured have been taken to a local hospital for treatment, but their conditions were not immediately available.
Authorities say the fire at the disposal well has been extinguished and that no evacuations were required.
The cause of the explosion was not immediately known.
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