Updated 6:26 p.m. ET, 11/12/2013
(CNN) - The son of Sen. James Inhofe was killed in a plane crash on Sunday, the senator's office confirmed.
Dr. Perry Inhofe, an orthopedic surgeon, was killed when the plane he was aboard crashed near Owasso, Oklahoma.
Inhofe's office, while not releasing a comment from the family, sent out an email Tuesday with a statement from the Oklahoma Department of Public Safety confirming the identity of the victim.
The National Transportation Safety Board said the crash is currently under investigation.
Secretary of Defense Chuck Hagel put out a statement on Monday expressing his condolences.
“I was deeply saddened to learn that Senator Jim Inhofe's son Perry was killed in a plane crash this weekend,” Hagel said.
“My thoughts and prayers are with Jim and Kay and their family as they mourn this terrible loss.”
Senate Majority Leader Harry Reid and Senate Minority Leader Mitch McConnell expressed their condolences Tuesday from the Senate floor.
"I’d like to start with a word of sympathy about the heartbreaking loss of Kerry Inhofe, our colleague Jim Inhofe’s son killed in a plane crash on Sunday," McConnell said. "Of course we are all thinking of Jim and Kay and the heartfelt prayers of the entire senate family are with them and the entire Inhofe family at this very difficult time."
The Oklahoma Republican announced over the summer that he would seek reelection next year.