ISIS has challenged Prince Harry to fight the jihadists — with one warped terrorist warning: "We will send you and your Apaches to hellfire".

A disturbing video shows a Singaporean fighter who identifies himself as Abu Uqayl taking issue with the Royal speaking about terrorism during a recent trip to the city-state.

7 An ISIS terrorist calls out Prince Harry and challenges him to fight the jihadists in a chilling new propaganda video

7 Prince Harry in Toronto speaking to recipients of medals at The Duke of Edinburgh Awards in Toronto, Canada. The Prince has been directly targeted in an ISIS video Credit: AP:Associated Press

7 ISIS has challenged Prince Harry after he spoke about the London Bridge attack during a visit to Singapore in June

7 Prince Harry is in Toronto for the Invictus Games, which he founded for brave injured war veterans

The Prince, who served as an Army chopper pilot in Afghanistan, is directly targeted in the chilling clip circulated by Islamic State monitoring group SITE Intelligence.

"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 fatigued terror thug says.

Prince Harry's visit to Singapore in June was overshadowed by the ISIS-claimed terror attack on London Bridge.

The attack saw three knife-wielding men mow down and stab revellers near the landmark, killing seven before they were gunned down by police.

Singapore's interior ministry said it believed the person in the video was a Singaporean.

"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," the Ministry of Home Affairs said in a statement.

7 Singapore says Abu Uqayl is 39-year-old Megat Shahdan bin Abdul Samad

7 Former helicopter pilot Prince Harry zooms around with a young fan at the Invictus Games Credit: Rex Features

7 Prince Harry with US First Lady Melania Trump at the Invictus Games last weekend Credit: Reuters

"It is believed that the person in the video calling himself 'Abu Uqayl' is Shahdan."

Singapore's leaders have warned that the city is a prime target for a terror attack because of its strong stand against terrorism and reputation as a regional financial centre.

Harry is in Toronto, Canada at the Invictus Games, the sporting event he founded for injured war veterans.

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