United States, China, South Korea and Japan united against North Korea Nuclear Tests, US President Barack Obama says.
According to Obama the named countries will work together to try to prevent further missile tests by North Korea.
In the recent weeks, North Korea has carried out a hydrogen bomb test and repeatedly test-fired missiles.
President Obama met Chinese President Xi Jinping on the sidelines of a nuclear summit in Washington on Thursday 31st March 2016
Obama announce later that he and Chinese President Xi Jinping are both committed to the denuclearization of the Korean peninsula.
President Obama said he and Mr Xi were seeking to agree on the way forward and how we can discourage action like nuclear missile tests that escalate tensions and violate international obligations.
According to China's state news agency Xinhua, Mr Xi said it was critical all parties "fully and strictly" implemented newly-agreed sanctions.
Ramifications of the sanctions if implemented will be dire citing China is North Korea's closest ally and largest trading partner.
