A U.S. Border Patrol agent was killed Friday morning in a single vehicle crash in San Diego County.

The crash happened around 5:40 a.m. on state Route 94 in a remote and rugged area of east San Diego County near the U.S.-Mexico border. A Cal Fire spokesperson told FOX 5 by phone that a Border Patrol agent was in a rollover crash and that their vehicle took heavy damage.

Reports say the agent was driving a Border Patrol SUV and was on duty at the time of the crash.

The agent's name had not been released at press time.