LUCKNOW, April 16 -- Even as a probe into the Monday night fire at the Lok Bandhu Hospital here continued, director Dr Sangeeta Gupta said what caused the fire could be ascertained only after a forensic inspection. As for now, the popular theory is that there was a short circuit in a storeroom on the second floor of the main building, after which the flames spread.

Meanwhile, the entire floor has been shut off to the public. Only some on-duty staff were allowed to go there on Tuesday with security personnel manning every staircase, entrance and exit. They patrolled even the outpatient wing floor.

For this, the number of security persons has been upped on the campus following the massive fire. The rooms that were damaged have been left u...