The fireworks were being prepared for the feast of Our Lady of Victories being celebrated in Xaghra on Wednesday. It is understood that most of the fireworks had been manufactured in Malta.
This was the second explosion at the same site in five years. The other blast, in August 2005, took place during the night. No one was killed or injured.
The tragedy at Gharb is the worst as six victims were died, Nenu Farrugia the owner of the factory, who also lost his sons Noel and Raymond, his daugher in law Antoinette (she was pregnant), Jean Pierre Azzopardi and Peter Paul Micallef.
Meanwhile, Maria Farrugia, Nenu Farrugia's wife, has spoken on what she went through last Sunday.