A woman and her daughter died in a cylinder explosion near Ghausia Bazaar in Warbruton area of Nankana Sahib, reported 24NewsHD TV channel on Sunday.
Reportedly, a gas cylinder was exploded near Ghausia Bazaar in which four people of a family including father, mother and their two daughters were burnt.
The mother and one of the daughters expired later.
However, the father and the other daughter were rushed to Mayo Hospital in Lahore in critical condition.
The explosion was so powerful that a part of the house was caved in and the windows and doors of the neighbouring houses were also broken.
In the other incident, five members of a family including a woman, a man and three children got burn injuries when a cylinder exploded in a house near Gulshan-e-Gazi area of Karachi.
The injured were shifted to the Civil Burn Ward for medical treatment.
Reporters Usman Rauf and Samar Abbas