A sign that read “ISIS here” was spotted Monday night behind a CNN host during live coverage of the unrest which has gripped a Missouri suburb following the shooting of an unarmed black 18-year-old.

Images of the sign behind CNN’s Jake Tapper made their way on to Twitter, showing an unidentified individual displaying the message during protests in Ferguson, Missouri.

Video of the incident was later uploaded to YouTube.

The sign likely referred to the Islamic State of Iraq and Syria. The terror group has recently taken control of large swaths of Iraq, prompting the U.S. to launch airstrikes to protect interests in the area.

This story has been updated.

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