Trump tells ISIS, ‘we will retaliate’ after ‘terrible’ ambush that killed 3 US troops in Syria

TOP STORIES:

• Long-awaited playgrounds open at San Francisco’s Crane Cove Park after years of delays, scandal
• ‘Avatar: Fire and Ash’: Behind the scenes with James Cameron, Zoe Saldaña and more!
• Peter Greene, a character actor known for role as the villain Zed in ‘Pulp Fiction,’ has died
• White House border czar and CBP chief tout success locking down the border in San Diego visit
• Sharks prospect Michael Misa not injured, Ryan Warsofsky says
• Gunman at large after deadly Brown University shooting
• 3 Americans ambushed and killed in Syria, Trump blames ISIS and promises response
• United Airlines flight loses engine during liftoff, sparks brush fire
• Washington state gets break from rain for now as Midwest, East Coast face single digit temperatures
• Controversial Chinese embassy construction in London delayed
• Elite Ivy League campus latest to grapple with mass shooting as violence erupts at Brown University