IRNA � Lebanese President, Michel Aoun, in a message to his Iranian counterpart, President Hassan Rouhani on Saturday extended condolences on martyrdom of a group of Tehran firefighters in the wake of Plasco Trade Center building collapse in Tehran on January 19.


In a tragic incident on Thursday morning fire erupted in the 17-storey Plasco Building and hours later the building collapsed.


A group of firefighters, who were extinguishing fire, were trapped in rubbles and lost their lives.
The building was 54 years old.

Government declared Saturday as national mourning day.