LOUISVILLE, KY – Federal safety investigators have recovered black boxes from the wreckage of a United Parcel Service cargo plane that crashed and exploded after takeoff from the airport in Louisville, killing at least 12 people, officials said Wednesday.

"I'm deeply saddened to share that the death toll has risen to 12, with several individuals still unaccounted for," Louisville Mayor Craig Greenberg said in a statement on social media Wednesday night. "No one should face tragedy alone. Please take a moment to hug your loved ones and check on your neighbors."

In a live interview with WHAS-TV, Greenberg said he believes three of the victims are likely crew members and the nine other victims have not yet been identified. Earlier on Wednesday, Kentucky Gov. Andy Beshear said the death

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