British journalist and Islamic State (Isis) group hostage John Cantlie says in a newly released propaganda video he is likely to suffer the same fate as other US and UK hostages, who were beheaded.
In the latest video released by the group, Cantlie, sitting at a desk and wearing an orange jumpsuit, delivers an apparently scripted message.
It's the seventh episode featuring the photojournalist in a series titled Lend Me Your Ears.
The clip, which lasts almost nine minutes, includes the 43-year-old giving an account of what he claims was a failed rescue attempt by American forces in July.
Cantlie also says he accepted "long ago" that his fate is "overwhelmingly likely" to be the same as that of other American and British captives, who were beheaded.
He goes on to claim the Americans staged an "incredibly complex, risky and expensive" attempt to rescue hostages in July. "The raid involved two dozen Delta Force commandos, several Black Hawk helicopters, gunships, Predator drones, F18 Hornet Jets and refuelling aircraft.
"It took weeks of rehearsals and must have cost tens of millions to perform - but we weren't there.
"The Islamic State, anticipating such a move, just put us into cars and moved us to another prison days beforehand."
Britain and America are accused in the video of taking military action rather than negotiating the release of hostages through options such as ransom payments.
"We were left to die. It's the worst feeling in the world being left behind like that," Cantlie says.
"I will continue to speak out against this military action ... for as long as the mujahideen allow me to live."
In another section, he says: "Long ago I accepted that my fate will overwhelmingly likely be the same as my cellmates - and I'm angry about it."
A British Foreign Office spokesman said : "We are aware of a further video and are analysing its contents."
Since August, Isis has filmed and posted online the beheading deaths of four Western hostages - British aid workers Alan Henning and David Haines and American journalists James Foley and Steven Sotloff.
Cantlie was seized while working as a photojournalist in northwest Syria in late 2012, along with Foley, an American photographer.
- AAP