America's top military officer has condemned a course taught about "total war" with Islam at one of the US's top military schools as "totally objectionable".

Lawrence Korb, of the Centre for American Progress, told the Today programme that some people in the military "really feel that this is the struggle we're in".

"There is a certain element in our military - a lot of them influenced by evangelical religious beliefs - that feel that the attacks of 9/11 and the subsequent wars in Iraq and Afghanistan are an indication of the fact that we are at war with Muslims and that people are using their religion as a justification for killing Americans and our allies," he said.

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