A suspicious package has been sent sent to the White House after former President Barack Obama and former Secretary of State Hillary Clinton received suspected explosive devices in the mail, media reported on Wednesday.

Moscow hopes that US President Donald Trump will receive Nikolai Patrushev, the Russian Security Council secretary, in the White House, Russian presidential aide Yury Ushakov said Tuesday.

White House Economic Advisor Larry Kudlow confirmed on Tuesday that US President Donald Trump will meet with his Chinese counterpart Xi Jinping on the sidelines of next month's G20 summit in Argentina, adding that he hopes Beijing will respond to requests Washington has made in recent trade negotiations.

US Secretary of Defense James Mattis' position on a possible US exit from the Intermediate-Range Nuclear Forces (INF) Treaty with Russia is similar to President Donald Trump's stance on the matter, Pentagon spokesman Col. Rob Manning told reporters on Monday.

US President Donald Trump said on Monday China should be part of the Intermediate-Range Nuclear Forces (INF) Treaty.

President Donald Trump said on Monday the United States will be increasing its arsenal of nuclear weapons until Russia and China "come to their senses."