"Geopolitical risk is not something to write off," analyst says as price nears $62 a barrel.
In one instance, a man was said to have been beheaded with a cigarette in his mouth.
The website was branded with two logos regularly used by the Islamic State, including the Black Standard flag.
"If he was here, I would burn him by my hand. I wish to capture pilots and burn them," a young boy said at the event.
A photograph provided to her family should mean her body was buried.
Denis Cuspert changed his name to Abu Talha al-Amani after pledging allegiance to the Islamic State.
Mueller spent over a year in captivity, captured in Aleppo, Syria, in 2013.
The watches may be an homage to ISIS leader Abu Bakr al-Baghdadi, who was videotaped wearing a particularly bold timepiece.
The videos the British reporter is forced to make are well liked in the jihadist community.
The State Department could not confirm the claim by the terrorist group.
While one source denies the king's involvement, others believe he will participate in the fighting against the terrorist group.
Basic utilities, like running water and electricity, are lacking, but those who remained in the town celebrated the victory regardless.
"You will be complicit in the massacre of civilians."
Jordanian officials reportedly agreed to release prisoner Sajida al-Rishawi to the Islamic State (ISIS) in exchange for Jordanian pilot Muadh al-Kasasbeh.
The battle between jihadis and security forces in France may soon become brutal.
According to an observer group, the Kurds have taken back 80% of the town of Kobane
The latest video shows the British photojournalist touring Mosul, Iraq in his street clothes.
Analysts say other foreign ISIS accounts have shut down, fearing they could be next
The hostages included soldiers and policemen, according to local media.
The audio message released by al-Furqan Media claims to be recorded by ISIS leader Abu Bakr al-Baghdadi's, whose fate was unknown after an airstrike over the weekend