Khat is a substance that has been intercepted in large quantities at US airports. It is listed as a Schedule I drug in the United States, indicating its potential for abuse and lack of accepted medical use.

The source of khat is not specified in detail, but it is being brought into the country through airports. Further information about khat and its interception can be found through additional reporting.

Details about the origins of the intercepted khat are not provided, but its classification as a Schedule I drug suggests that it is a controlled substance of concern. For more information, readers can consult the original source.