At least eight people were killed and four others injured when an oxygen cylinder exploded inside an ambulance in Pakistan's southern Sindh province on Wednesday night, local police confirmed. The blast occurred in an ambulance stationed at a health facility in Nagarparkar city, Tharparkar district, marking one of two deadly explosion incidents in Sindh within the same night.

The Nagarparkar Ambulance Blast

The explosion tore through the ambulance while it was parked at a medical facility, killing all eight individuals aboard or in close proximity. The four survivors received initial treatment locally before being transferred to Karachi for advanced medical care. The bodies were moved to a local hospital for formal identification, according to officials.

Specialist forensic and investigation teams from Mirpurkhas and Karachi have been dispatched to the site to examine the evidence and determine the precise cause of the explosion. While the oxygen cylinder aboard the ambulance is believed to be the immediate trigger, authorities have not yet issued a final determination on the sequence of events.

Second Blast: Gas Bowser Hits Highway Near Sukkur

In a separate but equally grim incident on the same night, at least two people died and five others sustained critical injuries following a massive explosion along the National Highway near the Rohri Interchange in Sukkur district, Sindh. According to police, a high-capacity gas bowser carrying volatile fuel collided at speed with a heavy trailer travelling on the arterial route.

The impact ruptured the bowser's pressurised tank, triggering a violent blast and a subsequent firestorm that engulfed nearby vehicles. Both fatalities were identified as the bowser's driver and cleaner, who died on the spot within the immediate blast radius. The five injured — many suffering severe burns and trauma — were evacuated to a medical facility in Sukkur, with several remaining in critical condition.

Scale of Destruction on the Highway

The force of the explosion caused extensive damage to surrounding vehicles along the highway. According to police, a total of six additional vehicles were damaged or destroyed, including two fuel tankers, three heavy cargo trailers, and a commercial Mazda truck. Emergency services and rescue teams responded shortly after the blast was reported.

Pattern of Industrial Safety Concerns in Sindh

The twin incidents highlight persistent concerns around industrial and transport safety in Sindh, Pakistan's second-largest province. Incidents involving pressurised cylinders in health facilities and poorly regulated fuel transport along major highways have been recurring issues in the region. Critics argue that enforcement of vehicle safety and medical equipment maintenance standards remains inadequate, particularly in remote districts like Tharparkar. Both incidents are under active investigation by provincial authorities.