An F-16 fighter jet crashed into a warehouse just outside southern California's March Air Reserve Base, leaving several people wounded.
Officials said the pilot ejected before the impact and has been "transported to a local hospital for evaluation".
According to media reports, 12 people at the warehouse were being treated due to exposure to the debris from the crash.
The fighter jet was reportedly conducting a training mission for the North American Aerospace Defense Command (NORAD) went the incident happened.
An investigation is currently underway.

5 dead, more than 80 missing after Philippine ferry fire
US military says it struck vessel in Caribbean, killing 3
At least 14 killed in explosion at weapons depot in Syria
US hits five Iranian oil tankers after attack on Navy ships
UK gives air traffic provider a week to probe outage that halted flights
Serbia's President Vucic dissolves parliament, calls snap elections
With large crowds attending, Norway lays King Harald to rest
Jordan intercepts 18 Iranian ballistic missiles
