The man was last seen on Wednesday, June 19.

According to the police, Andrzej Szmid is between 1.80m and 1.90m tall, has a slim build, grey hair and speaks English.

Anyone with any information on the missing person or his whereabouts is encouraged to contact the City's police through the phone number (+352) 244 40 1000 or through an email at police.luxembourg@police.etat.lu.