Iran's newly-elected president Hassan Rowhani ruled out any halt to the nuclear activity that has drawn UN sanctions but said he hoped an early deal could be reached to allay the concerns of major powers.
US President Barack Obama said that Iran's election result showed the country's people wanted to back away from confrontation with the outside world but ruled out for the moment lifting economic sanctions on Tehran.
The United States eased restrictions on trade with Syria's opposition Wednesday, in a move aimed at helping supply the critical needs of Syrians in "liberated areas."
The US is making it easier for information-hungry Iranians to get on the Internet and use social media, but has also slapped new sanctions on the economy that could make their lives more painful.
North Korea laid down rigid pre-conditions Thursday for any talks with Seoul or Washington, including the withdrawal of UN sanctions and a guaranteed end to South Korea-US joint military drills.
Iran, under global sanctions for its nuclear enrichment programme, on Tuesday launched a new uranium production facility and began operations in two extraction mines.
The United States on Monday slapped sanctions on North Korea's primary foreign exchange bank and four senior officials, upping the pressure on Pyongyang to abandon its nuclear program.
North Korea leader Kim Jong-Un threatened to "wipe out" a South Korean island as Pyongyang came under new economic and diplomatic fire Tuesday from US sanctions and UN charges of gross rights abuses.
An enraged North Korea responded to new UN sanctions with fresh threats of nuclear war on Friday, vowing to scrap peace pacts with South Korea as it upped the ante yet again after its recent atomic test.
Sanctions against North Korea over its nuclear programme are not "the fundamental way" to resolve the crisis, China's foreign minister said Saturday, days after the UN tightened measures against Pyongyang.
The United States and China will on Thursday seek to tighten the UN sanctions screws on North Korea after its widely condemned nuclear bomb test last month.
Sudan breached UN sanctions by using warplanes and rockets bought from Belarus and Russia in the Darfur conflict, according to UN experts who have called for a tightened embargo.
World powers and Iran were due Wednesday to respond to offers presented by both sides in a final day of talks aimed at breaking a decade of deadlock over Tehran's nuclear drive.
President Barack Obama pledged Wednesday a "steadfast" commitment to defend Japan, including preventing nuclear attacks on its ally in the wake of North Korea's third nuclear test.
The United States on Wednesday tightened sanctions on Iran to further choke off its oil income, saying it was necessary to increase pressure on Tehran over its suspected nuclear weapons program.
Royal Bank of Scotland on Wednesday said it expected to pay "significant penalties" and face other sanctions from British and US financial regulators over its role in the Libor rate-rigging scandal.
The Wall Street Journal reported Friday that in his coming book, Google chairman Eric Schmidt brands China an Internet menace that sanctions cyber crime for economic and political gain.