Lives of another 60 sickest patients at risk.New Delhi: 25 "sickest patients" have died in the last 24 hours at the Ganga Ram hospital in Delhi, a statement from the hospital said this morning. Around 8 am, the hospital also said it had oxygen for only two more hours.PromotedListen to the latest songs, only on JioSaavn.com"25 sickest patients have died in last 24 hours Oxygen will last another two hours. Ventilators and Bipap not working effectively. Resorting to manual ventilation in ICUs and Emergency. Major crisis likely. Lives of another 60 sickest patients at risk, need urgent intervention," the hospital's Director, Medical, said in a statement.Sources say low oxygen pressure could have contributed to the deaths.