Four women died and five others were injured after an explosion caused three houses to collapse in Madhya Pradesh`s Morena city, police said on Tuesday. The incident took place in the city`s Rathore Colony area around midnight, said Superintendent of Police Sameer Saurabh.

Vasudev Rathore, whose house was destroyed in the explosion and whose 28-year-old daughter-in-law was among the deceased, expressed suspicion that the blast was caused by gunpowder.