Stillwater police are investigating the tragic death of a 12 year old boy last night in Sanborn Park on the North side of Stillwater. 33 year old Dustin Calhoun was traveling on a gravel road when he lost control of the vehicle and struck a tree. Calhoun’s 10 year old and 12 year old stepsons were in the front seat when the accident occurred. The 12 year old was pronounced dead at the scene while the 10 year old was taken to the Stillwater hospital and Calhoun taken to the OU Medical Center. A police statement said Calhoun was placed under arrest for suspicion of driving under the influence of alcohol. There is an ongoing investigation.