The protesters were pushing back against Turkish military operations in a predominantly Kurdish region of Turkey.
The summit will be held at Sunnylands, the same California estate where the U.S. president hosted China’s Xi Jinping in 2013.
The country's army also foiled a jailbreak attempt that would have set free the killer of American journalist Daniel Pearl, who was beheaded in February 2002.
John Brennan also said that the Islamic State group could potentially seek to export the chemical weapons to the West for funds.
A ceasefire in the Syrian Civil War was announced by U.S. Secretary of State John Kerry in Munich Friday.
Diplomats meeting in Munich Thursday are hoping to revive stalled Syrian peace talks as Russia and the U.S. continue to exchange harsh words.
By attacking the rebels who oppose Syrian leader Bashar Assad, Russia is aiding the Islamic State group, a State Department official said.
The Islamic State group has recruited thousands of people from Russia and its neighbors.
Two Boko Haram suicide bombers targeted a funeral gathering in the country's north.
The controversial change allows for increased law enforcement discretion and reduced civilian rights.
The suspect, a local college student, is accused of arranging to travel to an ISIS training camp in Libya.
A source told CNN that intelligence indicated that ISIS fighters were stationed in several European cities before the Nov. 13, 2015, Paris attacks.
Those arrested have reportedly been accused of supplying money and weapons to the ISIS and al-Nusra groups in Iraq and Syria.
The terrorist trio from London gained infamy from their Islamic State propaganda videos, including beheadings.
"They have a classic army and history tells us such armies stand no chance in fighting irregular resistance forces,” Maj. Gen. Ali Jafari said.
The attack, the latest in a series of strikes carried out by the Taliban across the country, targeted a convoy of Pakistani paramilitary forces.
The company said it has also increased the size of its report responding team.
Saudi Arabia, a key U.S. ally in the Middle East, has supported a U.S.-led airstrike campaign against ISIS since it began in September 2014.
In a vote Thursday, the multinational body unanimously labeled the terror group's targeting of Christians and Yazidis as a war crime.
The raid was carried out Monday by 20 planes in a Syrian town northeast of Aleppo.
The new propaganda video from the Islamic State group boasted of causing “fear and panic” in the West, and called for new recruits.
It’s rare for those under ISIS control to publicly voice criticism of the extremist group’s leadership.