On Tuesday, 91-year-old Mikhail Gorbachev passed away in a hospital in Moscow.
John Sullivan, the US ambassador to Russia, will attend Mikhail Gorbachev's burial on Saturday in Moscow, a State Department official announced.
In a Moscow hospital, Mikhail Gorbachev, who avoided violence to end the Cold War but was unable to save the fall of the Soviet Union, passed away on Tuesday at 91.