A Somerton, Arizona man died in an early morning accident Thursday.

According to he Yuma County Sheriff's Office, at about 4:45 a.m. Thursday, a Ford F-250 was northbound on Avenue A near County 14-1/2 Street when it collided with a Chevy S-10 that was also northbound. According to YCSO, the S-10 braked for an unknown reason and the F-250 collided with the rear of the smaller pickup causing it to rot over. The driver of the S-10, Francisco Sanchez-Grijalva, 75, was ejected from the vehicle and was fatally injured. The accident remains under investigation.