WICHITA, Kan. — Authorities have cleared the scene after a bag containing a white powdery substance was discovered Monday afternoon in the parking lot of Wichita’s downtown post office.

Police and Hazmat crews were called around 4 p.m. to the post office at 330 West 2nd Street North after someone reportedly found the bag alerted a mail carrier.

The white powder turned out to be a mixture of crushed Tylenol and cocaine, police said. Hazmat crews left the scene just before 5:30 p.m.

The parking lot had been blocked off while crews investigated, but the building was not evacuated.

Officials at the post office declined to comment.

White powder found at downtown post office was Tylenol, cocaine

Read more here: Cocaine and acetaminophen mixture found in Wichita post office parking lot