In the United States, six people aboard a Cessna airplane were killed when it crashed in northern Wisconsin.The Price County Sheriff's Office says the airplane crashed at 3:21 a.m. Saturday near the city of Phillips. The sheriff's office says the plane had left from Chicago and was heading to Canada on a fishing trip.<br/><br/>National Transportation Safety Board investigators say there was a discussion between the pilot of the plane and air traffic controllers about "local weather phenomenon." Soon after, the aircraft dropped off radar. ''''''<br/><br/>