Complex sentence: After nearly a decade in the U.S., Kislyak returned to Moscow in July 2017 and was formally released from his duties in August, succeeded by Deputy Minister of Foreign Affairs Anatoly Antonov.
Split into simpler sentences: After nearly a decade in the U.S., Kislyak returned to Moscow in July 2017 and was formally released from his duties in August. He will be succeeded by Deputy Minister of Foreign Affairs Anatoly Antonov.