The San Diego County Medical Examiner's Office identified three of the six people who were believed to be on a plane that crashed into a residential street in San Diego early Thursday morning. KTLA's John Fenoglio reports live on May 23,

Dense fog had rolled into the area around the time the plane was approaching the airport. Visibility was at half a mile at 3:55 a.m. and had dropped to a quarter of a mile just after 4 a.m. in the area around Marine Corps Air Station Miramar, which is just a few miles north of the crash site, according to the National Weather Service.