Three Americans who were abducted in Baghdad last month have been freed, according to Iraqi media reports citing unnamed government officials.
The Iraqi military says one of its helicopters has crashed south of the capital, Baghdad, killing all nine crew members.
Russia and Saudi Arabia, the world's two largest crude producers, have agreed to freeze output, as long as others follow suit.
Oil prices have shot up ahead of a meeting between the energy ministers of Saudi Arabia and Russia, the world’s two largest oil exporters, in Qatar.
Iraq's prime minister has offered to pay the salaries of government employees in Kurdistan if the autonomous northern region stops selling oil on its own.
Mustard gas was used in two attacks in Iraq's semi-autonomous Kurdish region in August last year, according to sources close to the global chemical-weapons watchdog.
Iraqi Prime Minister Haider al-Abadi has vowed to defeat the Islamic State militant group in the country this year.
Russian Deputy Prime Minister Russia Dmitry Rogozin in a visit to Baghdad offered to provide more military aid and step up commercial ties, potentially eroding U.S. influence in the war-torn country.
Iraqi Prime Minister Haidar al-Abadi has urged his country's Kurdish autonomous region to reject any plans for independence.
The Obama administration's plan to loosen tough new visa requirements for businessmen and journalists who travel to Iran has touched off strong resistance in Congress.
Iraqi Prime Minister Haidar al-Abadi announced he would reshuffle his cabinet and appoint technocrats to replace ministers appointed because of their political affiliations.
An Iraqi-led operation to retake the Islamic State (IS) stronghold of Mosul is unlikely to take place this year, a top U.S. intelligence official said on February 9.