Congresswoman Kristi Noem is urging the U.S. Justice Department to evaluate the security of the country's pipeline infrastructure.

The call comes from a new letter signed by more than 80 members of congress highlighting recent threats and attempts to disrupt pipelines.

She said in some cases, protesters have attacked pipelines with blow torches. In the letter she said "when an individual burns a hole through a pipeline currently in operation, there is a high probability this could ignite the contents, killing not only the perpetrator but other innocent victims."

Noem and her fellow signers said maintaining safe and reliable energy infrastructure is a matter of national security.

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