“Are these cries over an issue to which they are accustomed to crying every time it is mentioned?” it added. “Or is it a new opportunity for the traders of faith and the fraudulent ones to raise their voices again?”
The Islamic State, also known as ISIS, argued that the focus should instead be on working to defeat the Arab countries ringing Israel, which they say “surround it the same way a bracelet surrounds the wrist, protecting the Jews from the strikes of the mujahideen.”
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Even as the Islamic State’s official line played down the White House move, the group’s followers in chat rooms on the messaging app Telegram have busied themselves making revenge posters.
One shows Israeli and American flags burning in a pyre, with the signature dome of the Old City’s Al Aqsa Mosque pictured in the background. Images of Al Aqsa — one of the holiest sites in Islam, which is also revered by Jews as the Temple Mount — have been used in generations of jihadist propaganda.
“Wait for violent attacks on American and Jewish embassies by the wolves of the Islamic State,” the text alongside the images said.
That message was more in line with that of other terrorist groups, especially Al Qaeda. The world’s perceived indifference to the plight of the Palestinians is proof, jihadists say, of the second-class status of Muslims, and evidence that only through violence will Muslims regain their dignity.
The spokesman for the Shabab, Al Qaeda’s branch in East Africa, called Mr. Trump’s decision on Jerusalem “an aggression against Islam.” He urged its followers to pick up arms in revenge, according to SITE Intelligence.
“The Jews do not have the right to a grain of sand of Palestine and Jerusalem,” Qaeda’s affiliate in Yemen railed. Qaeda’s largest branch, in Syria, said, “We emphasize that whatever was taken by force can only be retrieved by force.”
And from Mali to Yemen to Afghanistan, jihadist groups ridiculed Mr. Trump. On his Telegram channel, Abu Muhammad al-Maqdisi, an influential Qaeda ideologue, posted a YouTube clip from a campaign rally last year, when Mr. Trump appeared startled after hearing a commotion behind him. He called Mr. Trump a “coward” and an easy mark, urging future terrorists to do their best to “surprise” him.