Fireworks factory explosion stumps investigators
Posted: Jun 21, 2013 12:53 AM EST | Updated: Nov 6, 2014 3:08 AM EST
MONTREAL, Canada -- A deadly explosion at a fireworks factory is under investigation.
Two people were killed after a series of massive explosions west of Montreal.
Images show the facility and a major highway were both destroyed.
Two hours after the blast fireworks could still be heard going off.
Investigators are investigation what caused the explosion.