The US President Barack Obama condemned North Korea for implementing nuclear tests, reports the Reuters. He assessed the nuclear testing as a deadly threat to the international peace and security. Obama added that he will continues working on the development of new sanctions against Pyongyang with the United States partners.

The U.S. will never accept North Korea as a nuclear power, said Obama. He added that there are special measures being developed, which aim to show the North Korea that the real consequences of unsafe actions of the North Korean government will be obvious in the future.