An investigation is underway into the death of an Ohio corrections officer.Officials say Officer Andrew Lansing was attacked by an inmate on Christmas morning at the Ross Correctional Institution, in Chillicothe.The prison says Lansing died as a result of the attack. Officials did not name the inmate involved, or say what led up to the attack.On Thursday, the Ohio Department of Rehabilitation and Correction identified the inmate accused in the officer's death as Rashawn Cannon. After the incident, Cannon was transferred to the Southern Ohio Correctional Facility in Lucasville.The Ohio State Highway Patrol is investigating.On Thursday, Ohio Gov. Mike DeWine ordered the U.S. and Ohio flags be lowered at half staff in honor of Lansing at all public buildings and grounds throughout Ross County and the Ohio Statehouse, as well as all Ohio Department of Rehabilitation and Correction facilities through the day of his funeral.The director of Ross Correctional said, in a statement, that Officer Lansing "was a friendly, outgoing officer who treated everyone with respect and was always professional."