In an incident of alleged medical negligence, a patient died in an ambulance in Thrissur in Kerala while he was being shifted from a district hospital to a private hospital. The family of KK Sebastian claims. The cylinder in the district hospital’s ambulance, ran out of oxygen, leading to the 64-year-old’s death. The deceased, who was admitted to the district hospital in Palakkad angadi road on Saturday, was reportedly suffering from breathing difficulties.