INDEPENDENCE, Kan. (KAKE) - Authorities in southeast Kansas say a 40-year-old woman was killed in a rollover crash on Sunday. 

Montgomery County deputies along with EMS and fire department crews from Independence responded at around 6:45 p.m. to a rollover accident north of El City Lake. Deputies found a red Audi A4 upside down in the ditch.

The driver, Amber Beckenholdt of Elk City, was pronounced dead at the scene. The sheriff's office said she was not wearing a seat belt. 

Sheriff Ron Wade said, “On behalf of everyone here at the Montgomery County Sheriff’s Office and Montgomery County Dispatch, we extend our thoughts and prayers to Beckenholdt’s family."

The cause of the accident was still under investigation Monday.