She is 1.60 m tall, of slim build, has short brown hair and wears glasses. She was dressed in a black hoodie, black pants, a blue jacket and white trainers when she disappeared.
An earlier report on Friday of a missing 15-year-old has been recalled, after the girl was found.
Any relevant information on Leyla Theis’ whereabouts should be raised with the Diekirch/Vianden police station by telephone on (+352) 244 80 1000 or by email: police.diekirchvianden@police.etat.lu.
