In a shocking incident, 22 patients allegedly died when a ‘mock oxygen drill’ was conducted in UP. A video has surfaced online wherein an Agra hospital owner is heard saying that the oxygen supply for patients had been snapped for 5 minutes. He adds that the move was part of an experiment to know who would survive such a situation. The UP Health Department has ordered a probe into the incident. Massive protests are being staged by teh deceased patients’ kin outside the hospital.