A freshman at George Mason University, who is a citizen of Egypt, was arrested on Tuesday after being accused of planning an attack.
A Pentagon spokesman said the increase was unrelated to the fall of President Bashar al-Assad to rebel forces in early December.
U.S.-backed, Kurdish-led forces say they have come under fresh attack in several places by a Turkish-backed militia, even as Washington seeks a lasting cease-fire.
The Kurds helped the United States contain the Islamic State. Now they fear a resurgent Turkey that has long considered them an adversary. Here’s a guide.
With the fall of al-Assad’s regime, the risk of an ISIS resurgence increases.
Secretary of State Antony J. Blinken said the United States was communicating directly with Hayat Tahrir al-Sham, the dominant rebel faction, despite its designation as a terrorist group.
In an impoverished, war-ravaged country, the first prayers after the fall of a brutal regime drew jubilant crowds, even in areas seen as regime strongholds.
As a rebel alliance with a tenuous hold on power struggles to assert control of the fractured country, Israel, Turkey and the United States are trying to influence what Syria will become.
After five decades under a brutal regime that kept many in fear and poverty, families flooded back from Lebanon, eager to start the slow process of healing.
What will the president-elect do with them?
Gen. Mazlum Kobani, commander of Kurdish forces in Syria, said recent decisions by the U.S. in Syria potentially “leaves a vacuum behind that can be taken advantage of by ISIS.”
Secretary of State Antony J. Blinken plans to hold meetings in Jordan and Turkey. Jake Sullivan, the national security adviser, is visiting Israel.
The president-elect faces hard choices about the country’s post-Assad future. His vows not to get involved might be hard to keep.
The end of al-Assad’s wretched regime unlocks many doors.
The rebels who seized Damascus are trying to get a new government up and running, even as foreign powers like Israel and Turkey, and armed Syrian groups, fight for power.
The fighters shared a desire to topple Bashar al-Assad’s government, but they don’t share much else.
Bashar al-Assad is gone, and Russia and Iran have stepped back. But Israel, Turkey and the United States are carrying out airstrikes.
The Biden administration is relying on Turkey to convey messages to Hayat Tahrir al-Sham, which toppled Bashar al-Assad but is designated by the U.S. as a terrorist organization.
The overthrow of the Assad government could mean Russia’s bases in Syria are closed and Iran’s pathway to Hezbollah is cut off. Now Iran, newly vulnerable, will have to decide between negotiation and the bomb.
President Biden faces the challenge of deciding how to engage the main armed group that toppled President Bashar al-Assad, even though it remains designated a terrorist organization by the United States.
El avance de los rebeldes hacia Damasco es un barómetro de la cambiante dinámica de poder en Medio Oriente, que también afecta a naciones como Irán, Turquía, Rusia y Estados Unidos.
The group now advancing, Hayat Tahrir al-Sham, says it wants to replace the Assad government with one inspired by Islamic principles.
For many middle- and working-class New Yorkers, it’s an even more distant possibility than it used to be.