Business Insider reports: The US was shut out of a new round of negotiations between Russia and Syrian rebel factions hosted by Turkish officials in Ankara, a source within the Syrian opposition told Business Insider on Monday.

The opposition source, who spoke on condition of anonymity because he was not authorized to discuss the negotiations, said American officials were not invited to take part in the talks because of recent tensions between Turkey and the US.

“The US is totally out of these talks,” this person said. “And they’re pretty angry about it.” [Continue reading…]