Vladimir Putin has reportedly warned the European Union that the Russian military could take Kyiv in two weeks if he gave the order.
Russia's Gazprom Neft announced on September 1 it had started commercial production at the Badra oil field in southeastern Iraq.
The UN's top human rights body has approved an Iraqi government request to investigate alleged crimes against civilians committed by Islamic State (IS) militants in northern and western Iraq.
Italian Foreign Minister Federica Mogherini, who will be the next EU foreign affairs chief, has praised Moldova for choosing "the path of going toward the West."
The United States has called for restraint in the Pakistani political crisis and urged protesters not to resort to violence in its antigovernment demonstrations.
The Russian ruble fell to a new record low against the dollar on September 1 as tensions over the crisis in Ukraine increased and Western officials discussed the possibility of new economic sanctions against Moscow.
Iranian Foreign Minister Mohammad Javad Zarif said he is "quite optimistic" that Tehran and six world powers can find an agreement over Iran's controversial nuclear program.
Officials say Iraqi troops and Kurdish forces on September 1 retook two more towns from Islamic State (IS) fighters.
NATO Secretary-General Anders Fogh Rasmussen says the alliance's leaders will be asked this week to approve the creation of a high-readiness force in Eastern Europe to help member nations defend themselves against threats.
Turkey is demanding an explanation from the United States over a media report that said Washington spied on Turkish leaders.
An unknown assailant attacked a female employee of the Mikhail Frunze Museum in Kyrgyzstan's capital and stolen three Soviet-era flags.
British Prime Minister David Cameron was expected on September 1 to outline tougher measures against Britons suspected of joining jihadists in Syria and Iraq.