A Dallas Cowboys tour bus was involved in a deadly accident in northwestern Arizona Sunday afternoon, according to multiple reports.

The Cowboys' bus collided with a van along US-93, killing the four passengers riding in the van. No one on the the team's bus was injured.

Arizona State Troopers tweeted a photo of the crash scene and confirmed there were fatalities in the two-vehicle accident.

More from FoxSports

@Arizona_DPS Troopers on scene at a two veh. collision involving fatalities. SR 93, MP 41(north of Kingman).#DPSNEWS pic.twitter.com/dBEJSDZSGS

— Quentin Mehr, PIO (@dps_pio_mehr) July 24, 2016

Update: No injuries in the motor coach. Multiple fatalities in van.#DPSNEWS pic.twitter.com/bOYZlq0eZG

— Quentin Mehr, PIO (@dps_pio_mehr) July 24, 2016

The bus was traveling from Irving, Texas to Oxnard, California for Cowboys preseason training camp, which begins in two weeks.

At the time of the crash, the bus was reportedly en route to a team meet-and-greet stop in Las Vegas and was carrying Cowboys staff members, including a team mascot, photographer and reporter.