Federal agencies are investigating a deadly plane crash that occurred at a cereal plant in Covington, Georgia, on Thursday evening.

Officials say that shortly before 7 p.m., a twin-engine Cessna took off from the Covington Municipal Airport and soon began to experience apparent mechanical trouble.

Witnesses said that the plane’s engine made strange noises shortly before the plane veered right and crashed down on several parked semi trailers in a lot at the General Mills facility around 7:05 p.m.

The plane reportedly exploded after crashing, causing the trailers to catch fire. Authorities said that five trailers burned following the plane crash.

At least two occupants of the Cessna died in the crash.

No other injuries have been reported.

The National Transportation Safety Board (NTSB) is investigating the crash.

“A small plane crashed near the General Mills Covington, GA manufacturing facility. No employees were harmed and we’re partnering with the FAA and local law enforcement,” General Mills said.

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