[cnn-photo-caption image= http://i2.cdn.turner.com/cnn/2009/POLITICS/04/06/obama.us.image.poll/art.obama.gi.jpg caption="Nearing the end of his first overseas trip, President Obama addresses the Turkish Parliament on Monday in Ankara."]
We've following several breaking stories for you tonight. We'll take you to Turkey where we've learned of an alleged plot by a Syrian man to assassinate President Obama. U.S. officials says the suspect was arrested last week, but they've taken the threat "very seriously". Tonight on AC360°, we'll give you details on the alleged plot.
Also on our radar tonight, two F16 fighter jets following a stolen plane near St. Louis, Missouri at this hour. A spokesman for the North American Aerospace Defense Command in Colorado says the Cessna 172 was stolen from Ontario around 2:30pm today. The student pilot is not communicating with the fighter pilots who caught up with the Cessna at the Michigan-Wisconsin state line. Authorities say the plane has enough fuel to fly for 7 to 8 hours. We'll bring you the developments as they unfold.
We'll also have a live update from L'Aquila, Italy where today's 6.3 magnitude earthquake has killed at least 150 people. At least 1,500 others have been injured and 50,000 are now homeless.
And, back here in the U.S., a chilling letter from the gunman who killed 13 people at an immigrant center in Binghamton, New York before killing himself. The letter was sent to a TV news station. It was postmarked on Friday, the day of the mass killing. We'll share with you Jiverly Wong's last message, which chillingly ends with "you have a nice day."
Join us for these breaking stories and more starting at 10pm ET.
See you then!
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