At midday Monday 15th January, the Mezzanine of the Indonesia Stock Exchange (IDX) collapsed onto the ground level of Tower 2.
It would seem that it was purely a structural error, rather than a planned explosion.
metrotvnews.com
People have been evacuated from the IDX building, though it is still unclear how many people are injured and if there have been any casualties.
metrotvnews.com
Despite rubble and injuries, the Indonesian Stock Exchange has resumed for afternoon trading.
metrotvnews.com