MINNEAPOLIS (WCCO) — The Rice County Sheriff’s Office is investigating an alleged Northfield drugging incident earlier this month.

On July 23, the sheriff’s office was notified about a woman who was drugged by Rohypnol – also known as a roofie – at a gathering on July 16.

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The incident happened at the Red Barn Farm of Northfield during a large get-together.

After the victim left a drink unattended for a short time, she started showing signs of what was later revealed to be severe drug intoxication. She was taken to a local hospital and transferred to a Rochester hospital for further treatment.

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Medical tests later confirmed the presence of Rohypnol in her system.

The sheriff’s office says there is no evidence to suggest any type of physical assault at this time.

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Anyone with information about the case should contact the sheriff’s office Investigations Division at 1-507-334-4391 or use the Tip411 information here to report it anonymously.