HARTFORD, Wisc.-- A blimp crashed during the U.S. Open at Erin Hills Golf Course in Wisconsin on Thursday.
The Penfed blimp went down in an open field east of the golf course grounds, according to the Washington County Sheriff's Office.
The pilot was the only person on board and suffered serious injuries. The sheriff's office said he was taken by medical helicopter to a hospital for burns.
The blimp, which had been airborne for several hours, may have experienced mechanical problems, according to the Washington County Sheriff's Office.
The Federal Aviation Administration and the National Transportation Safety Bureau are investigating. The blimp was lawfully operating at the proper altitude, the sheriff's office said.
The US GO issued the following statement:
"According to local authorities, a commercial blimp not affiliated with the USGA or the U.S. Open Championship broadcast crashed in an open field approximately a half mile from the Erin Hills Golf Course at approximately 11:15 a.m.
First responders were quick to arrive at the scene and the pilot is currently being treated for unknown injuries.
No other people were involved in the incident and local law enforcement is currently investigating.
Our thoughts and prayers are with the pilot at this time."