Video - which has not been independently verified by ITV News - appears to show gas pipes exploding in Taiwan and later captures jets of fire shooting up from the street.
After around 46 seconds on a video posted on YouTube, following an initial explosion, jets of flame begin to burst from the road.
More top news
Russian trolls are behind a disinformation campaign about chemical weapons attacks in Syria and Salisbury, a government source has said.
Decontamination work is to begin at nine sites across the city.
Molly McLaren's killer used social media to track her down before stabbing her to death in a frenzied attack in Kent last year.