A Saudi court has sentenced 17 people, four of them women, to prison terms of up to 30 years in two separate cases, one of which involving an al Qaeda plot to attack U.S. soldiers in Qatar and Kuwait, the state news agency SPA said.
Three teenage girls from Denver who had been missing since last week and were reported to be traveling to Turkey were picked up in Germany and sent back home, U.S. officials said on Tuesday.
Britain may use a mediaeval law dating to 1351 to charge citizens with treason if they go to fight with Islamic State insurgents in Iraq and Syria, Foreign Secretary Philip Hammond said.
Iraqi pilots who have joined Islamic State in Syria are training members of the group to fly in three captured fighter jets, a group monitoring the war said on Friday, saying it was the first time that the militant group had taken to the air.
U.S. Secretary of State John Kerry and Russian Foreign Minister Sergei Lavrov agreed on Tuesday to increase intelligence sharing between Moscow and Washington on Islamic State militants, focusing on a common enemy even as deep divisions remained over the crisis in Ukraine.
British police arrested three men and three women on Tuesday in a counter-terrorism operation linked to the civil war in Syria. Counter terrorism officers detained the suspects in London, Portsmouth, on England's south coast, and in Farnborough, west of the British capital.
President Barack Obama will hash out a strategy to counter Islamic State on Tuesday with military leaders from some 20 countries including Turkey and Saudi Arabia amid growing pressure for the U.S.-led coalition to do more to stop the militants' advance.
The threat from Islamic State fighters to the Syrian Kurdish town of Kobani is an early test of the U.S.-led coalition's patience for a military strategy that at the moment cannot hold ground in Syria.
Tokyo police are investigating the possibility that a Japanese student tried to travel to Syria to join Islamic State, Chief Cabinet Secretary Yoshihide Suga said on Tuesday, as the United States carries out air strikes on militant targets.
The children of refugees who fled Lebanon's civil war for peaceful Australia in the 1970s form a majority of Australian militants fighting in the Middle East, according to about a dozen counter-terrorism officials, security experts and Muslim community members.
The White House defended Vice President Joe Biden on Monday after he was forced to call leaders in Turkey and the United Arab Emirates to apologize for remarks he made suggesting they had supported Islamist militants in Syria.
Islamic State, a Sunni Muslim militant group, has seized a third of Syria and large areas of Iraq and this year proclaimed a caliphate across the two countries in the heart of the Middle East.
Islamic State militants beheaded British aid worker Alan Henning in a video posted on Friday, triggering swift condemnation by the British and U.S. governments.
Iran is to give a military grant to the Lebanese Army, the head of Iran's national security council said on Tuesday, boosting security forces that are already backed by Saudi Arabia and the United States.
U.S. lawmakers on Sunday stepped up calls for congressional authorization of President Barack Obama's war against Islamic State militants in Iraq and Syria, amid signs the United States and its allies face a long and difficult fight.
U.S. intelligence agencies underestimated Islamic State activity inside Syria, which has become "ground zero" for jihadists worldwide, President Barack Obama said in a CBS television interview broadcast on Sunday.
A Twitter account run by an Qaeda member said the leader of the al Qaeda-linked Khorasan group was killed in a U.S. air strike in Syria, SITE monitoring service said on Sunday, following several days of uncertainty over whether he survived the raid.
American-led and Arab-backed air strikes carrying the fight against Islamic State from Iraq into Syria have dragged Washington into a new Middle East war - exactly the kind of conflict Barack Obama spent his presidency trying to avoid.
British police said on Thursday they had arrested nine men on suspected terrorism offences as part of what they described as an ongoing operation into Islamist-related terrorism.
It is more than 23 years since Arab countries last made common cause to join U.S.-led military action, and it has taken the threat of Islamic State to persuade them that any public backlash in an already turbulent region is a price worth paying.
Islamic State militants fighting in Iraq and Syria released a video on Tuesday that appears to show British journalist John Cantlie criticizing preparations for U.S-led attacks on the militant group, the SITE monitoring service reported.