The State Department said the execution was an example of regime's "extreme brutality."
Chairman of the Joint Chiefs Gen. Martin Dempsey said negotiations on the U.S.-Afghan security agreement are over, and the pact will not be changed.
Washington's top diplomat in Afghanistan told Congress that President Hamid Karzai is playing a dangerous game in stonewalling a postwar pact, reiterating the Obama administration remains willing to pull all forces out of the country next year.
Jang Song Thaek was dismissed for unspecified "criminal acts," state media reported.
The State Department said South Korea was “planning to adjust” its zone.
Vice President Biden applauded the news as a “bright piece of sunshine.”
A bipartisan group of senators asked China to back off its territorial claims in the Pacific.
"Obama's decision to rebalance to the Pacific Basin is not in question,” Biden said.
“He is a very important man. Seriously he is important,” Biden told Li.
Biden said he was "very direct about our firm position" with China's president.