Traffic has narrowed to one lane on state Highway 19 near County Road 1530 due to a single-vehicle rollover accident.
At least one person has been injured in the accident.
Neither the cause of the accident nor the identities of the parties involved have been released.
Oklahoma Highway Patrol, Pontotoc County Sheriff's Office, Ada Fire Department and Mercy EMS personnel are on scene, working to treat the injured and clear the roadway.
This is a developing story. More information will be released as it becomes available.