A fire broke out in a carpark along Toh Guan Road on Thursday evening at about 5.30pm. Residents said that the fire started in a van, and spread to two motorcycles.
Mr Andrew Yeo, 49, said that he was parking his car on the top floor when he heard a loud explosion. He decided to drive down and exit the carpark, but heard three more explosions.
"The lower floors were engulfed in thick black smoke and fire. I couldn't see anything, but I could hear people shouting."
He drove back up to the open-air top storey, and called the police.
A man who only wanted to be known as Mr Tan A T, said that he was driving past when he heard the explosions.
"They were so loud that I could hear them even though my windows were closed," he said.
Another 65-year-old who declined to be named said that he and several other residents tried to put out the fire using the fire hosereels in the carpark.
"But the fire was too big by then," he said. "There was too much smoke and we couldn't see."
When The Straits Times arrived on the scene, the whole carpark was cordoned off. Officers from the Singapore Civil Defence Force (SCDF) and police were present on the scene. It is not known if there were any injuries.