India, Aug. 5 -- Two firefighters were killed and three others injured after a wall collapsed on them during a firefighting operation at an electronic chip manufacturing factory in Greater Noida early on Tuesday, fire and police officials said.

The incident prompted authorities to order a structural audit of the building to determine whether any lapses contributed to the tragedy, officials said.

The fire broke out at around 3am at a two-storey manufacturing unit of ILJIN Electronics, which manufactures electronic chips and printed circuit boards (PCBs), in Udyog Kendra-2, Ecotech-3, officials said.

According to police, a security guard alerted personnel at around 3.08am after noticing the blaze. "By 3.20am, we had reached the spot and ...