A netizen has snapped a photograph of smoke allegedly arising from the direction of Changi Airport's Terminal 1.
According to the netizen, he does not know what happened either but simply saw black smoke rising out of the area.
He wrote: "Black smoke seen behind T1, don't know what happened.. Suspect fire.."
Netizens who saw the posting were left speculating about the cause of the fire, with one expressing his worry that there was a plane crash. This was quickly rubbished by other netizens, who told him to avoid jinxing the situation.
One taxi drivers who saw this posting advised all taxi drivers reading the post to avoid the area.
The story is developing.