syrian helicopter that violated its air space, but syrian state tv claims it was a surveillance drone. turkey's defense minister says two fighter jets shot at the helicopter after it flew seven miles or 11 kilometers into its air space. it's unclear where the aircraft came from. the turkish military says it has increased security in the area following the incident. well, it's been a rough couple of weeks for parts of the central united states. more powerful storms bringing tornados and tearing through parts of texas and oklahoma. check out this picture, this massive wedge tornado spotted in elmer, oklahoma. fortunately, no injuries or deaths reported. for more on this, we have meteorologist derrick van dam. he is at the world weather center. those pictures are extraordinary, derrick, and it's really the first time i've heard the phrase a wedge tornado. >> yeah. a wedge tornado is a tornado that is wider than it is tall. so these things can be as expansive as up to a half mile