One person is in custody after a serious assault in Fort Frances.

The OPP says on July 25 members of the Rainy River detachment responded to a call of an assault with a weapon that occurred in the 400 block of Portage Ave in Fort Frances.

Emergency services arrived at the scene to find a 20-year-old victim with life-threatening injuries, who was subsequently airlifted to Toronto for immediate medical attention.

The following day, the OPP located the suspect involved and placed them under arrest.

As a result of the investigation, Lindsay Copenace, age 38 of Fort Frances, has been charged with aggravated assault.

The accused remains in custody awaiting her next court appearance on July 29.

Members of the public with information regarding this incident are asked to contact the OPP at 1-888-310-1122 or can provide information anonymously by calling Crimestoppers at 1-800-222-8477.