The Spanish government expressed welcome on Monday to the decision of the Democratic People's Republic of Korea (DPRK) to return to the nuclear Non-Proliferation Treaty (NPT).

It was a "positive" advance that the DPRK "is committed to "abandoning "all nuclear weapons" and "existing nuclear programs" and return to the NPT, the Foreign Ministry said.

The fourth round of six-party talks on the Korean Peninsula nuclear issue concluded in Beijing on Monday with the adoption of a joint statement.

The DPRK has said it has the right to the peaceful use of nuclear energy.

The six parties involved are China, the DPRK, the United States, South Korea, Russia and Japan.

Source: Xinhua