Russian President Vladimir Putin and U.S. President Donald Trump have discussed arms control and the coronavirus pandemic on the phone.
A senior Chinese arms control official has called U.S. pressure to join nuclear arms talks with Russia a ploy to avoid signing a new deal.
The top American and Russian diplomats have discussed arms control and other issues as Moscow signals readiness to include some of its latest nuclear weapons in the last remaining arms control pact between the two countries.
A landmark arms control treaty that President Ronald Reagan and Soviet leader Mikhail Gorbachev signed three decades ago is dead.
President Vladimir Putin says Russia wants friendly relations with the United States and remains open for arms control talks with Washington.
Secretary of State Mike Pompeo has announced that the U.S. is pulling out of a treaty with Russia that's been a centerpiece of arms control since the Cold War.