Russia's envoy to US ends term at time of turmoil

FILE - Russian Deputy Defense Minister Anatoly Antonov arrives for a news briefing on the situation in Syria, at the Russian Defense Ministry in Moscow, Oct. 7, 2016.

Russia's envoy to the U.S., a Kremlin hard-liner, was returning to Moscow on Saturday, state media reported, with the end of his term coming at a time of the most hostile relations between the two nations in decades.