Photo: CM Lisboa

The building was undergoing renovation work at the time its interior façade gave way.

The fatal victims are two a Portuguese men; labourers who were working on the renovations at the time of the collapse.

A third employee, who was also working on the building, managed to escape in time and survived the incident.

Traffic was cut off around the area and a security perimeter set up while search and rescue operations took place with sniffer dogs.

The Work Inspection authority is now to establish the cause of the accident.