A powerful explosion at a CNG filling station in Outer Delhi killed at least one person and injured several others on Wednesday [2].

The incident highlights the volatile nature of compressed natural gas infrastructure in densely populated urban areas, where a single equipment failure can cause widespread casualties.

The blast occurred in the Tikri Kalan area, located near the Tikri Kalan Metro Station [1, 2]. The Delhi Fire Service received the emergency call at 3:37 p.m. [2]. Witnesses said the sound of the explosion was heard from up to one kilometer away [1].

Emergency responders identified the victims as workers at the CNG pump and an individual who was filling gas into a bus or truck [1, 2]. The blast happened during the refueling process, though the exact cause of the ignition has not been reported [1, 2].

Reports on the total number of casualties vary between sources. Zee News said three people died and three others were injured [1]. However, MSN said one person died and six people were injured [2].

Firefighters and emergency personnel arrived at the scene shortly after the call to secure the area and treat the wounded. The site remains under investigation to determine if the explosion was caused by a mechanical leak or human error.

The sound of the explosion was heard from up to one kilometer away.

This incident underscores the critical safety risks associated with high-pressure gas refueling in India's metropolitan hubs. The discrepancy in casualty figures between initial reports often occurs in the immediate aftermath of urban disasters, but the location's proximity to a metro station suggests a high potential for greater casualties had the blast occurred during peak transit hours.