A 51-year-old man has been arrested for reportedly making a bomb threat that shut down the Lubbock Preston Smith International Airport Thursday afternoon.

Klaus Scholz reportedly told employees at the Southwest ticket counter that he had C-4 explosives in his bag just before 5 p.m.

The airport was evacuated and Scholz’s bag was x-rayed, revealing that nothing hazardous was inside.

The airport was back to normal operations after 7:30 p.m. Thursday.

Scholz was arrested by the Lubbock International Airport Police Department on a charge of terroristic threat, which is a third degree felony. He is being held on $50,000 bond.

If convicted, Scholz could face a punishment of two to 10 years in prison and a $10,000 fine.

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