ut a plane crash on Loop 20.

The mechanical issues that might have prompted the accident are not clear yet.

 The FAA and the National Transportation Safety Board (NTSB) are investigating the crash. The NTSB will lead the investigation and provide future updates,  said the FAA.

A police officer who was heading home after a shift witnessed the crash. He was one of the drivers who ran to aid the plane passengers.

 We had first responders there almost immediately. There was almost no delay in response,  said Baeza, who thanked  the community and the heroism of many people who were simply on the same road and immediately rushed to try to rescue people they didn't know at all. 

The identity of the passengers hasn't been released yet. Baeza said that some of them were family and friends who were flying back from San José del Cabo.