A floor at Indonesias stock exchange collapsed into the building's lobby on Monday, injuring an unknown number of people, according to media reports. We are still investigating the cause, but for now our priorities are the casualties,Jakarta police spokesman Argo Yuwono told Metro TV. Footage aired by TV stations showed several people lying on the ground and being carrying outside the building. The police spokesman did not say how many were injured but added that there were no reports of deaths so far. Television news footage showed people panicking and screaming as officials tried to evacuate the area amid piles of debris.