Dehradun, May 21 -- A 66-year-old woman was killed and 16 others injured after an explosion in an air-conditioning unit triggered a fire at a private hospital in Dehradun on Wednesday, officials said. The incident took place at Panacea Hospital near Rispana Bridge at around 9.35am, and the deceased was identified as Veeravati. Officials said that the AC was in the hospital's intensive care unit (ICU). At the time of the incident, 14 patients were admitted in the hospital, out of which at least four to five people were admitted in the ICU. "Due to heavy smoke and gas inside the ICU, several patients and some police personnel suffered breathing difficulties and were admitted," said district SSP Pramendra Dobhal....