Inspectors of the International Atomic Energy Agency (IAEA) started Tuesday to reinstall seals and cameras in its plutonium reprocessing plant, a source close to the agency said.
On Monday, the Vienna-based agency announced that the reclusive Stalinist state had reversed its ban on IAEA inspections, after the United States struck the country from its terrorism blacklist on Saturday.
In September, North Korea had ordered the IAEA to remove monitoring technology from its plutonium reprocessing facility in its Yongbyon nuclear complex.
An IAEA official said that the process of monitoring North Korea's nuclear installations had resumed. He could not confirm whether North Korea had also restarted unloading nuclear fuel from its reactor, as announced by Pyongyang on Monday.
IAEA experts are stationed permanently in Yongbyon to monitor the freeze of the complex that North Korea has agreed to in six-party talks with the US, China, South Korea, Japan and Russia, in exchange for improved diplomatic and economic relations, including energy and humanitarian aid.
Shares fell 2.1 per cent Friday on the Seoul stock exchange on general recession fears. South Korea's won dropped against the dollar.
When the Spirit rover landed on Mars five years ago, no one expected it or its sister rover Opportunity to make it to their first birthdays, let alone their fifth.
Amelie Mauresmo fell victim to a leg injury after less than half an hour on court Friday to hand over a 4-0 victory which put French compatriot Marion Bartoli into the final of the Brisbane International.
Mumbai-based movie Slumdog Millionaire won five prizes Thursday night at the Critics Choice Awards, cementing its position as a surprise favourite just as the Oscar season moves into high gear.
After the Taipei Zoo received two giant pandas from China, another Taiwan zoo said Friday it is seeking to receive a pair of pandas from China.