SAN FRANCISCO (CBS SF) — A new video allegedly created by Islamic State supporters is going after Facebook’s Mark Zuckerberg and Twitter’s Jack Dorsey.

The video, published Wednesday on the UK’s Mirror website, shows images of Bay Area residents Zuckerberg and Dorsey. The video then places bullet holes over their heads.

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A message in the video reads: “To Mark and Jack, founders of Facebook and Twitter and to their Crusader government You announce daily that you suspend many of our accounts And to you we say: Is that all you can do? You are not in our league.”

The video was apprarently made by a group that calls itself Sons Caliphate Army. The group is believed to be supporters of ISIL.

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In the video, the pro-ISIL group says they hacked more than 10,000 Facebook accounts and 5,000 Twitter profiles.

According to a report by George Washington University, the number of social media users in Iraq and Syria are recently down, and that may be, in part, related to recent account suspensions carried out by the social media networks.

The report, titled The Islamic State’s Diminishing Returns on Twitter, states, “The number of users in the network who are based in Iraq and Syria appears to have declined over time, partly because of suspension activity, but also because of operational security concerns within ISIS and the deaths of some prominent Syria-based network participants.”

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By Hannah Albarazi – Follow her on Twitter: @hannahalbarazi.