Toronto police and fire crews are investigating the source of heavy, black smoke and the sound of an explosion heard in the city’s downtown core.
Toronto Fire Services said crews were called to King Street West near Bay Street before 5:15 p.m.
Police said on Twitter that officers received reports “that the loud explosive sound came from underground.”
Officials said the series of explosions were caused by a hydro vault fire.
Update: reports are that the loud explosive sound came from underground. Cause not yet determined. No injuries reported at this point. ^adc— Toronto Police OPS (@TPSOperations) May 1, 2017
Toronto Fire Services said the building at 20 King St. W. is being evacuated.
Officers said there were no reports of injuries.
King Street West is closed between Yonge and York streets. The TTC said subways are currently bypassing King station.
Witnesses on social media posted images from the scene.
Explosion at Bay and King Street. pic.twitter.com/SpmycITi6L— Herb Ladrillo (@hladrillo) May 1, 2017
What's with the black smoke at King and Bay? pic.twitter.com/rbxGCzNwz3— Sara Tatelman (@sallytates) May 1, 2017