UPDATED: MAR 26 2018 01:37PM EDT

FOX5NY - French authorities say the killing of an elderly Jewish woman in Paris is being investigated as an anti-Semitic murder. The woman, identified in French media as Mireille Knoll, was stabbed at least 11 times and her body was set on fire.

A march is planned in Paris after the murder of 85-year-old Holocaust survivor Mireille Knoll.