The Islamic State Terror Group’s Spokesman Has a Message for the United States: ‘I Say to America…’

Americans should stop being "cowards" and attacking the Islamic State terror group with drones, the terror group's spokesperson told Vice News, adding that the militants aim to reach the U.S.

"I say to America, that the Islamic Caliphate has been established," Abu Mosa said. "And we will not stop."

Watch: The Islamic State's message to America (warning: some graphic footage in video):

"Don't be cowards and attack us with drones," he continued. "Instead send your soldiers, the ones we humiliated in Iraq. We will humiliate them everywhere, God willing, and we will raise the flag of Allah in the White House."

[sharequote="center"]"[W]e will raise the flag of Allah in the White House."[/sharequote]

On Friday, the U.S. launched a new round of airstrikes against Islamic State targets. The airstrikes appeared to provoke the militant group's sympathizers who turned to Twitter to warn Americans to back off.

Posting under the hashtag "#AmessagefromISIStoUS," individuals who appeared to be members of the Islamic State said the militant group had an "appointment in New York."

#USA18 #USA #KNDI #Iraq #ISIS #AJAGAZA #Hawaii#AmessagefromISIStoUS الله أكبر ،، pic.twitter.com/adAyPxSVN9

— أبو سعد العتيبي (@FAQEER_81) August 8, 2014

"Every American Citizen working in any country will be slaughtered if America attack Iraq," another warned.

Every American Citizen working in any country will be slaughtered if America attack iraq . #AmessagefromISIStoUS

— ام مجاهد (@om_mujahid)

August 8, 2014

Several even threatened that the terror group will target American embassies.

bombs will exploded in your EMBASSY at Saudi Arabia, Jordan,Tunisia and Libya and all Islamic states in your places #AmessagefromISIStoUS"

— باقية (@ameetttt) August 8, 2014

if America attacks Iraq; every American embassy in the world will be exposed and attacked with car bombs. #amessagefromisistous

— أبو الوليد (@1AbualWalid) August 8, 2014

A vast majority of the tweets contained very graphic images that TheBlaze has chosen not to publish. The messages included photos of decapitated heads, dead U.S. soldiers and pictures showing the 9/11 terror attacks.

President Barack Obama said Thursday night during a special prime-time address that he authorized targeted airstrikes if needed to protect U.S. personnel in Iraq.

U.S. forces have also delivered humanitarian aid to thousands of displaced Iraqi minorities who had become stranded on a mountain after fleeing the terror group.

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Follow Oliver Darcy (@oliverdarcy) on Twitter