At least 75 people were injured after a mezzanine floor at Indonesia's stock exchange building collapsed into the lobby, police said, as victims were carried out of the debris-filled building on stretchers.
"The number of injured ... from the floor collapse at the Indonesia Stock Exchange is 75," a police spokesman said.
An official from the stock exchange had earlier said no one had been killed in the accident.
Dozens of people hurt as floor collapses at Jakarta stock exchange | More: https://t.co/RvmX04Pz2E pic.twitter.com/dXacLBLrts
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The high-rise building, constructed in the late 1990s, is part of a two-tower complex also housing offices of the World Bank and the International Finance Corporation.
It was the target of a car bombing by Islamist militants in September 2000.
Police ruled out a bomb as a cause of today's collapse.
Images aired on television and circulated on social media showed a concrete and metal structure that had collapsed around a Starbucks cafe near the entrance to the lobby of the building with blue-tinted windows.
Finance Minister Sri Mulyani Indrawati said she hoped the collapse would not affect investor confidence.
The exchange resumed business in the afternoon as per schedule.