No one was found trapped under the debris, said SCDF.
According to checks on Google Maps, 84 Syed Alwi Road houses Paakashala Singapore, a vegetarian restaurant, while No 85 houses Nirja Mega Mart.
Two people were assessed by paramedics for minor injuries and sent to the hospital. Another four who were also assessed for minor injuries declined to be taken to the hospital.
When CNA arrived on the scene at 9am on Tuesday morning, cordons were already put up to prevent people from going into the affected area. Police and SCDF personnel were still onsite.
Mdm Yeow Noy Kee, who lives at a nearby HDB block, said she heard a loud noise.
“I got a shock, I thought it might have been an explosion but I couldn’t see anything. There was no fire or anything,” said the 74-year-old.
Indian vegetarian restaurant Paakaahala sustained significant damage, with wires seen hanging from the ceiling, and the outdoor tent bent out of shape.