Six people were sent to a neighboring hospital in severe condition, while seven people with lesser injuries received immediate first assistance, according to emergency sources.
An explosion involving a gas cylinder in New Saidabad, Matiari district, earlier claimed the lives of at least four laborers.
The ice plant gas cylinder explosion happened while employees were going about their regular business, according to rescue sources.
Consequently, one person was gravely hurt and taken to the hospital, and three others passed away instantly. The wounded worker subsequently passed away from his injuries as well.
Rescue personnel arrived at the scene shortly after the event and roped off the area. Law enforcement began looking into the incident in the interim.