BEAUMONT (CBSDFW.COM/AP) — Police in a Southeast Texas city say what’s believed to be a “legitimate explosive device” was found outside a Starbucks there.

Beaumont police say that a Starbucks employee found the package outside early Thursday morning and then moved it into the coffee shop. Police say that while trying to open the package, the employee noticed a note and then took it back outside and notified law enforcement.

READ MORE: Security Expert Shares 'Run, Hide, Fight' Guidance In Wake Of Colleyville Synagogue Hostage Situation

Police did not say what the note said.

Several law enforcement agencies responded, including the FBI and the Bureau of Alcohol, Tobacco, Firearms and Explosives.

READ MORE: Colleyville's Congregation Beth Israel Gathers For Special Service In Response To Saturday's Hostage Situation

Police say the device was later rendered safe by bomb technicians.

Police say the FBI Joint Terrorism Task Force will lead the ongoing investigation.

It was just last month when a bomber planted explosive packages in different areas in and around Austin, killing two people and severely wounding four others.

MORE NEWS: 2 Shot In Possible Road Rage Incident In Justin

(© Copyright 2018 CBS Broadcasting Inc. All Rights Reserved. The Associated Press contributed to this report.)