Three employees of Grade A Auto Parts in Louisville, Kentucky, remain missing after a UPS cargo plane crashed into the facility shortly after taking off from a nearby airport on Tuesday, killing at least 12 people .

Owner Sean Garber told the news outlet that he watched in horror as his business went up in flames during a video call from his CFO moments after the blast.

Officials said three crew members aboard the UPS flight are believed to be among the dead, while most victims were on the ground when the plane struck the site.

Workers unaccounted for

Garber said three of his employees remain unaccounted for following the crash .

After the plane collapsed into our business, a headcount revealed three employees were missing, Garber told the news outlet.

Two of the missing were

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