Tunisia's President Beji Caid Essebsi said on Sunday that a third gunman involved in an attack that killed 23 people, mostly foreign tourists, at a Tunis museum last week was on the run.
Islamic State has posted online what it says are the names, U.S. addresses and photos of 100 American military service members, and called upon its "brothers residing in America" to kill them.
The United States is increasingly concerned about the growing presence and influence of the Syria-based Islamic State movement in Libya, according to U.S. officials and a State Department report.
Iraq's most important Shi'ite religious leader, Grand Ayatollah Ali al-Sistani, called on Friday for greater professionalism and planning by government forces and allied militias in fighting Islamic State insurgents.
U.S. Secretary of State John Kerry said the United States would have to negotiate with Syrian President Bashar al-Assad for a political transition in Syria and was exploring ways with other countries to pressure him into agreeing to talks.
Iraqi Kurdish authorities said on Saturday they had evidence that Islamic State had used chlorine gas as a chemical weapon against their peshmerga fighters in northern Iraq in January.
Australian authorities are investigating claims by Islamic State that an Australian teenage recruit died after blowing himself up in Iraq, and local media reported that bomb-making materials had been found at his family home in Melbourne.
Islamic State militants have desecrated another ancient Iraqi capital, the government said on Wednesday, razing parts of the 2,700-year-old city of Khorsabad famed for its colossal statues of human-headed winged bulls.
A video posted online by Islamic State militants on Tuesday showed a boy killing Muhammad Musallam, an Israeli Arab accused by the group of having signed up as a jihadi to spy for Mossad, with a bullet to the head.
About 95 captives, including Kurdish fighters, escaped from an Islamic State-run prison in northern Syria but most have been recaptured, a monitoring group said on Tuesday.
The European Union has imposed sanctions on a Syrian businessman who it says bought oil for the Syrian government from Islamic State militants who have seized wide areas of the country including its oil-producing regions.
Unidentified gunmen killed at least 12 Islamic State militants in the eastern Syrian town of al-Mayadin in an overnight attack in an area near the Iraqi border controlled by IS, a group monitoring the conflict reported.
British police on Saturday denied accusations that they had failed to pass on crucial information that could have allowed families to stop three teenage girls from traveling to Syria to join Islamic State militants.
U.N. sanctions monitors said on Friday they are concerned that if a United Nations Security Council committee approves a request by Libya's government for weapons, tanks and jets, some of the equipment could be diverted to militias supporting them.
An Ohio man claiming sympathy with Islamic State militants and charged with plotting to attack the U.S. Capitol said in a television interview that he would have shot President Barack Obama in the head.
Japan is looking into creating an overseas intelligence agency possibly modeled on Britain's MI6 spy service, ruling party lawmakers say, 70 years after Allied victors dismantled Japan's fearsome military intelligence apparatus following World War Two.
Saudi Arabia is pushing for Sunni Muslim Middle East countries to set aside differences over political Islam and focus on what it sees as more urgent threats from Iran and Islamic State.
Thousands of Iraqi soldiers and Shi'ite militiamen sought to seal off Islamic State fighters in Tikrit and nearby towns on Tuesday, the second day of Iraq's biggest offensive yet against a stronghold of the radical Sunni Islamist militants.
Egypt's President Abdel Fatteh el Sisi met Saudi Arabia's King Salman in Riyadh on Sunday for the pair's first in-depth talks on regional issues at a time of unprecedented turmoil in the Middle East.
Iraq's armed forces, backed by Shi'ite militia, attacked Islamic State strongholds north of Baghdad on Monday at the start of a campaign aimed at driving them out of the mainly Sunni Muslim province of Salahuddin.
