"President Trump reaffirmed our ironclad commitment to defend Japan and the Republic of Korea from any attack, using the full range of United States capabilities", the statement continued, pledging renewed economic and diplomatic pressure on Pyongyang.
Schumer called on Trump to use the inter-agency committee "to suspend the approval of all mergers and acquisitions in the U.S. by Chinese entities".
The US administration says neither sanctions nor pressuring China - which North Korea relies on for food and fuel - has had much success in curbing the regime's nuclear and missile programmes in the past.
"We are not your enemy. but you are presenting an unacceptable threat to us, and we have to respond".
Markets Right Now: Solid earnings drive stock indexes higher
The Dow opened at 22,004 before slipping back but is still on track for another record close, the sixth in a row. The market has shattered records despite Trump's political troubles, suggesting they are no longer intertwined.
Schumer's request comes amid increasing United States concerns about the threat of North Korea's nuclear and missile programs.
President Donald J. Trump Backs Raise Act
No longer offer green card preference to the extended family or adult children of immigrants already living legally in the U.S. The potentially controversial legislation would dramatically tilt American immigration law towards a more merit-based system.
Haley said the time for talking is over and "China must decide whether it is finally willing to take this vital step". North Korea said it flew for 47 minutes and reached an altitude of 2,300 miles, with Kim claiming it put the whole of the USA within strike range. After the first ICBM test, which was launched July 4, North Korean leader Kim Jong Un said the missile could "reach anywhere in the world". Neighbors of North Korea include China, Japan and South Korea.
Li's remarks came after Pyongyang test-fired an intercontinental ballistic missile on July 28 that has a range to hit major United States cities.
Chinese Vice-Commerce Minister Qian Keming, asked at a news conference in Beijing about Mr Trump's tweets, said there was no link between the North Korea issue and China-US trade. Citing government sources, US media outlet Politico also reports that President Trump may be mulling over economic sanctions on China, Pyongyang's most important ally. The U.S. gave China, North Korea's neighbor and ally, a proposed resolution several weeks ago.
He said other options were "not particularly attractive". "We will no longer allow this to continue", he tweeted.
Will I be able to see the solar eclipse in Washington?
Looking at the eclipse directly is only safe for the short time that the sun is completely blocked. You can clearly see the temperature drop during totality, then the rise once the sun reappears.