Nine people remain missing after a UPS plane departing Louisville Muhammad Ali International Airport in Kentucky on Tuesday crashed, killing at least 12 people.

Nine people remain missing after a UPS plane departing Louisville Muhammad Ali International Airport in Kentucky on Tuesday crashed in a ball of flames, killing at least 12 people. Officials continue to search through half a mile of "charred, mangled" debris to find any additional victims, authorities said.

Robert Sanders left his home two minutes before it was destroyed in the UPS plane crash in Louisville, Ky., on Tuesday, Nov. 4. He said three of his friends died.

A young mother is among those missing in the UPS cargo plane crash in Louisville, Kentucky, according to her employer

Louisville Mayor Craig Greenberg announced that another person died while at the hospital, increasing the death toll to 13.

At least 13 people were killed and several others injured after a UPS plane crashed shortly after taking off from the Louisville International Airport on Tuesday.

The Federal Aviation Administration (FAA) and the National Transportation Safety Board (NTSB) will lead the investigation into the incident.