WASHINGTON (WJZ) – A new video released on Monday purportedly by Islamic State (ISIL) members warns that countries participating in Syrian air strikes should expect terrorist attacks similar to those recently carried out in Paris, according to Reuters.

The video then specifies Washington D.C. as a potential target.

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“As we struck France in the center of its abode in Paris, we swear that we will strike America at its center in Washington,” a speaker said in the one-minute video.

The video’s authenticity, which claims to be created by ISIL members located north of Baghdad in Iraq, has not yet officially been verified.

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However, U.S. Capitol Police are telling congressional offices that lawmakers and their aids should take precautions.

According to the Associated Press, a memo emailed to offices said “‘out of an abundance of caution,’ people should use the tunnels that connect the Capitol with the adjacent House and Senate office buildings. It urges those who work for Congress to make sure their offices know where they are.”

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Capitol police have increased their presence since Friday’s attacks in France.