Alyssia Martin, 12, has not been seen since Sunday, January 28. She has not given any news since leaving the home of the Departmental Institute of Children and Families (Idef) in Bron.

As she left, Alyssia was dressed in a pink shirt and jeans. The strong-built teenager has brown eyes and brown hair. Anyone with information on his disappearance is invited to make themselves known to investigators at the Vénissieux police station, located at 5, avenue Marcel Houel.