ISIS has challenged Prince Harry to a fight to the death in new propaganda video.

The prince served as a helicopter pilot in Afghanistan — and now a jihadi fighter who identified himself as Abu Uqayl is calling out the young royal. Uqayl is a Singaporean fighter who has reportedly taken issue with Harry’s recent statements concerning terrorism and extremism, according to a report from The Sun — which also called the fighter a “terror thug.”

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“Why don’t you come here and fight us if you’re man enough, so that we can send you and your Apaches to hellfire, biidhnillah [Allah permitting],” the jihadist says in the video.

“Our security agencies have been aware for some time now of the presence in Syria of a Singaporean, Megat Shahdan bin Abdul Samad, 39, and have been monitoring his activities,” said the U.K.’s Ministry of Home Affairs in a statement.

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There is significant worry that Singapore will be the target of a terror attack because of its stance on extremism and terrorism.

Prince Harry was in the public eye this past week as he attended the Invictus Games in Canada, a charity which he founded for wounded veterans.