A 43-year-old woman was found dead Saturday at Earthcore Music Festival in Australia, which took place November 24-28 in Pyalong, Victoria.

Police found the woman, of Bayswater, in the early evening and pronounced her dead at the scene. The cause of death is still unknown, but has been ruled to not be suspicious, according to The Herald Sun. She was known to have had an “existing medical condition.”

Event representatives said medical assistance responded and arrived within two minutes of being called. They regarded the death as “truly heart-breaking” and a “very sad situation.”

You can read their entire statement below. Our thoughts and condolences go out to her friends and family.