A 'white smoke' was suddenly visible at the Toa Payoh MRT station on Saturday morning and the Singapore Civil Defence Force (SCDF) is investigating the matter. However, there were no reports of any injury due to the smoke.
SCDF said on Facebook that it was informed about the incident at around 9.20 am. "The white smoke has dissipated," it added later.
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The post further said that MRT and bus services were not affected by the incident. SCDF investigation is still going on.
**This story is developing**