The fire, which occurred on rue Laurent Ménager around 9.00 am on Friday, was distinguished with no issues and leaving no one injured.
However, in the afternoon, the affected residents realised they were also victims of a burglary after noticing their flat had been searched and jewellery was missing.
Potential witnesses are urged to contact the Luxembourg City police on 244 40 4100.
The police report further burglaries, notably on Rue Maria Teresa in Heisdorf, on Rue Beau Site in Fentange, on Rue du Kiem in Strassen, as well as on Boulevard Dr. Ernest Feltgen and Rue des Sept Arpents in Luxembourg City.
