A tunnel that stretches from a former Kentucky Fried Chicken in Arizona all the way to a home in Mexico was discovered last week by investigators, who believe the secret passageway was used for drug smuggling, KSWT reports.

A Delta Airlines flight diverted to Tulsa after a disturbance just before noon on Wednesday. 

Multiple agencies, including the Oklahoma Bureau of Narcotics (OBN) and the Homeland Security Investigations (HSI,) shut down a large-scale, Mexican-sourced meth manufacturing operation in Oklahoma City.