(Tulsa) – A Drumright man has died of injuries he sustained in a head on collision last week.  The accident on Highway 33 East of Drumright killed two other people.  The Oklahoma Highway Patrol says Blakely Dale Parson, 20, of Drumright died at St. John Medical Center in Tulsa at 9:48 a.m. Monday.  

Parson was involved in a collision July 23 on State Highway 33 about a half mile east of S 513 W Avenue near Drumright.

Billy Ray Semler, 52, and Betty Laverne Semler, 51, both of Drumright, were also killed in the crash.