LOWELL, Mich. (Michigan News Source) – Two people are dead after the small plane they were in crashed into a self-storage facility in Kent County on Monday afternoon.

The crash sparked a fire that required the efforts of 15 departments to put out the flames. It happened near the Lowell City Airport. As of Tuesday morning, the bodies have not been identified.

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One eyewitness told WOOD-TV he saw the crash while he was driving. He told the news outlet the plane took a nosedive. “[I] saw a huge ball of flames. I instantly called 911,” said the witness.

The Federal Aviation Administration and the National Transportation Safety Board is investigating the crash.