- 39 updates
President Obama said the North Korea nuclear test violates its obligations under numerous UN Security Council resolutions.
A nuclear test has been carried out in North Korea, Foreign Secretary William Hague described it as a "violation of United Nations Security Council resolutions".
Speaking on Daybreak, security expert Dr Sally Leivesley said it is likely the blast was "a little bit" smaller than the one which flattened Nagasaki, in World War II.
She added that this could mean the test used the same sized capacity of weapons, and the possible use of rockets for delivery.
President Obama described the North Korea nuclear test as a "highly provocative act" that "undermines regional stability".
A newsreader has announced details of an apparent nuclear test in one of the world's most secretive country's.
Last month North Korea announced plans for a nuclear test, and this morning scientists detected a quake measuring 4.9 during close to a known nuclear test site.
The test has been condemned by officials, with UN Chief Ban Ki-moon calling it a "clear and grave violation" of Security Council resolutions.
Daybreak's Jonathan Swain reports.
Russia "decisively condemned" North Korea's nuclear test, describing it as a violation of Pyonyang's international obligations, a Foreign Ministry source told Interfax news agency.
The UN Chief Ban Ki-moon has condemned North Korea's nuclear test as a "clear and grave violation" of Security Council resolutions. He said it was "deplorable" that Pyongyang had defied international appeals to refrain from such acts.
North Korea said it successfully conducted an underground nuclear test, Korean Central News Agency reported.
Latest ITV News reports
Welcome to a more dangerous world, welcome to a world with a new nuclear power and to a world where the global powers are threatened.
Testing nuclear weapons is North Korea's way of saying we can defend ourselves, you have to take us seriously.