Ammunition seized at postal office.

Dozens of ammunition pieces were found by Mexican postal employees during the weekend inside a package said the state Secretary of Public Safety.

The agency said workers reported the package at the 9-1-1 emergency hotline.

Workers told authorities some anomalies were detected through the X-ray system.

State police agents arrived at downtown postal office and inspected the package.

Police officers found 71 cartridges of 9 millimeter caliber and two magazines.

The postal office manager told authorities most of the packages are sent from Central Mexico.