The resignation of Lebanese Prime Minister Saad Hariri was a victory for anti-government protesters flooding the country’s streets by the millions. It also was a wake-up call for Hezbollah, the Shiite Muslim organization that wields substantial power in the region and is regarded as a terrorist organization by the United …

Abu Bakr al-Baghdadi is dead, a few weeks after Europe was racked by four separate incidents classified as terrorism: a truck-ramming in Limburg, Germany; a series of stabbings at a police station in Paris; a shooting at a synagogue in Halle, Germany; and another set of stabbings at a shopping …

Saudi Arabia, Qatar and four other Gulf nations joined the U.S. in imposing sanctions on a financing network controlled by Iran’s military and several men linked to the Tehran-backed Lebanese group Hezbollah.