Private Jet Crashes in Southern France; Three Americans Killed

iStockphoto/Thinkstock(MARSEILLE, France) -- Three American crewmembers were killed when a private jet carrying six people crashed in southern France on Friday, ABC News has confirmed.

An air safety official, speaking to French news agency AFP, on the condition of anonymity, said the plane departed from Nice and crashed upon landing at Castellet airport.

A second official told the AFP that the plane broke in half, and part of it caught fire.

The cause of the crash was not immediately clear.

Those killed in Friday’s crash have not been formally identified.

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