SEYMOUR TOWNSHIP, Wis. -

Officials responded to a single-vehicle rollover crash Wednesday night, according to a release.

William W. Arndt-Carmody, 27, of Shullsburg, was traveling eastbound on Holland Road in Seymour Township when he lost control of his vehicle, according to the release.

Officials say speed does appear to be a factor in the crash.

Arndt-Carmody was transported by ambulance to a Lafayette County hospital for extensive injuries received during the accident, according to the release.

Officials say Arndt-Carmondy is still in the hospital.

There were three minor passengers in the vehicle at the time of the rollover and all were taken to the hospital for non-life-threatening injuries, according to the release.

Officials say the minor passengers were treated and released.

The accident remains under investigation.