High-speed train was traveling through station in Turkey's capital, Ankara; at least 2 cars derailed and parts of overpass fell onto train
26 people associated with U.S. Embassy in Havana suffered problems that include dizziness, ear pain, cognitive problems
An intense manhunt continues in France and Germany for the terror suspect who opened fire near a Christmas markey in Strasbourg. At least two people were killed. CBS News correspondent Roxana Saberi reports.