The man is said to have stabbed the 19-year-old three times

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Lawyers claim the the 19-year-old was knifed twice in the wrist and once in the abdomen during the Islamic month of fasting.

The man, 32, is said to have told police he had heard voices ordering him to "make a sacrifice" to coincide with Ramadan.

He has been sent to a psychiatric hospital and the girl's wounds are not life-threatening, according to a lawyer in Rennes, France.