At least two people were killed and three others injured in a high-intensity blast at an oxygen-making unit in Punjab's Mohali, near here, on Wednesday, police said.
Around 25 employees were present in the unit, located in the Industrial Area in Phase 9, when the blast took place.
High Tech Gases Private Limited supplies medical oxygen to the PGI, Chandigarh, and other government hospitals in the region.
The cause of the blast is yet to be known.
Senior police and civil administration officials, including the sub-divisional magistrate, rushed to the spot immediately after the blast was reported.
Sub-Divisional Magistrate (SDM) Damandeep Kaur confirmed the incident.