"And this was not the fault of the Iranians," it added.
The source rejected the interpretation of US Secretary of State John Kerry who said that the six world powers known as the P5+1 were unified at the talks and it was the Iranians who could not take the proposal.
"Such an interpretation simplifies to an extreme and even distorts what happened in Geneva," said the source.
The talks involving Iran and the P5+1 group -- Britain, France, the United States, Russia and China plus Germany -- ended inconclusively early on Sunday. They will resume in Geneva on November 20.
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The source rejected the interpretation of US Secretary of State John Kerry who said that the six world powers known as the P5+1 were unified at the talks and it was the Iranians who could not take the proposal.
"Such an interpretation simplifies to an extreme and even distorts what happened in Geneva," said the source.
The talks involving Iran and the P5+1 group -- Britain, France, the United States, Russia and China plus Germany -- ended inconclusively early on Sunday. They will resume in Geneva on November 20.
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