When he heard his colleague scream, Mr Andy Lim turned around and saw pieces of glass raining down from the fourth storey and hitting Mr Chris Ang.
The glass pieces came from a panel on a fourth-storey railing at Sim Lim Square that had broken yesterday at about 1.30pm, said 30-year-old Mr Lim.
The shop assistant, who works in LJ Electronic on the first storey, said: "Luckily, Chris was sitting on a chair and leaning forwards on a counter. Because of that, the glass hit his back, not his head."
A Singapore Civil Defence Force spokesman said they received a call at 1.32pm and sent an ambulance to take Mr Ang , 36, to Tan Tock Seng Hospital.
He did not have any major injuries, complaining only of back pains when he was sent to hospital.
When TNP approached the shops near the broken glass panel on the fourth storey, most were unwilling to comment on what had happened.
A shop owner who did not want to be identified said: "I heard a loud argument at the shop next door, Fuwell, but I could not tell what they were arguing about.
"I then saw someone storm out in a fit of anger and kick the glass panel, breaking it."
The manager of Fuwell International declined comment when TNP approached him.
This article was first published on March 27, 2015.
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