By CBSDFW.com Staff

FORT BLISS, Texas (CBSDFW.COM/AP) — Officials said nearly a dozen soldiers were injured after ingesting an unknown substance during a field training exercise at the Army base in Fort Bliss, Texas.

The 1st Armored Division statement said a total of 11 soldiers were injured — two of them critically. All were placed under the observation of medical professionals.

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The incident is under investigation, the statement said. No further details were released.

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Located in El Paso, Fort Bliss is home to the 1st Armored Division.

(© Copyright 2021 CBS Broadcasting Inc. All Rights Reserved. The Associated Press contributed to this report.)

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CBSDFW.com Staff