GRADY COUNTY, Oklahoma - Oklahoma Highway Patrol (OHP) troopers are on the scene of a fatal crash involving multiple vehicles in Grady County, Tuesday morning.

According to the OHP, just before 7 a.m. troopers responded to the crash involving three vehicles at mile marker 72.3 eastbound on the H.E. Bailey Turnpike in Grady County. A semi-truck involved in the crash rolled. The other vehicles involved are off the roadway.

One person was reportedly killed in the crash. 

The inside lane of traffic has been reopened just after 7:30 a.m. and the outside lane remain closed. 

The Oklahoma Turnpike Authority has been advised and they are en route as well.

Stay with for updates.