Blood Clot, Pneumonia May Have Killed Otto Warmbier

The president extended this train of thought Tuesday and tweeted, "While I greatly appreciate the efforts of President Xi & China to help with North Korea, it has not worked out".

North Korea said Warmbier went into a coma after contracting botulism and taking a sleeping pill. The two world powers are trying to build on "positive momentum" created when Trump and Chinese President Xi Jinping met in Florida in April, she said.

"Look, I've been talking about China for years", he told Fox News host Martha MacCallum during an interview. And he lamented the inability of China to help resolve tensions with North Korea.

Dozens of North Korean missile launches and two nuclear bomb tests since the beginning of previous year have heightened tensions on the Korean peninsula.

President Donald Trump slammed the "brutal regime" in Pyongyang following the death of Otto Warmbier, the U.S. student released in a coma last week after almost 18 months in detention in North Korea.

"It's unsafe", Corker said, adding that the "trumped up charges" like those Warmbier was accused of "can continue to happen".

Suggesting former President Barack Obama bears some blame, Trump said "the result would have been a lot different" had Warmbier been brought home sooner.

This apparently reflected Washington's intent to up the ante ahead of its diplomatic and security dialogue with China, where Susan Thornton, acting assistant secretary of state for East Asian and Pacific affairs, said North Korea would be a "top priority", including tighter sanctions and implementation.

Signaling a major shift in United States policy, Trump said earlier this year that he was willing to talk to North Korean leader Kim Jong Un to try to stop Pyongyang's nuclear programme. Yet the new administration remains committed to its positions and plans to elaborate on the need for improved inter-Korean relations during the summit with Trump.

Warmbier, just 22-years-old, remained in a coma since returning last week from North Korea, where he had been held hostage for months.

The United States flew two supersonic bombers over the Korean Peninsula on Tuesday in a show of force against North Korea, South Korean officials said.

Republican Sen. Rob Portman said North Korea should be "universally condemned for its abhorrent behavior".

"North Korea's isolation posed unique challenges, but we worked through every avenue available to us - including through the Swedish, our protecting power, as well as through our representatives in NY - to secure the release of Mr. Warmbier", he said, adding that at least 10 Americans were freed from North Korea under Obama.

Seoul's stalling of the full deployment of the U.S. Terminal High Altitude Area Defense (Thaad) system has irked Washington, which takes the issue as a rejection of the alliance.

Second, the president should demand the immediate release of all other Americans that are still trapped in North Korea.

Mr Trump paid tribute to Warmbier's family, with whom he has spoken personally, saying "it's incredible what they have gone through".

Wambier's parents did not cite a specific cause of death but blamed "awful, torturous mistreatment" by North Korea.

Following Warmbier's death, the tour group that arranged his trip said it would no longer take Americans into the isolated country. He was put before North Korean officials and journalists for a televised "confession". Earlier Tuesday, Trump called Warmbier's treatment a "disgrace" and said it could have been avoided if he was brought home earlier.

  • Leroy Wright