SHIMLA: Three persons were killed and two severely injured when an ambulance transporting a patient from Jassur in Himachal Pradesh’s Kangra district to Dayanand Medical College and Hospital in Punjab’s Ludhiana plunged into a deep gorge in Manghuwal near Gagret in Una district in the early hours of Saturday.The accident occurred halfway into the 200km journey. The ambulance driver lost control while negotiating a curve near a damaged portion of road in Manghuwal, police said. Roads across Himachal have taken a battering this monsoon.The deceased were identified as Omkar Chand, Ramesh Chand and Sanjeev Kumar, natives of Pathiyar village in Nagrota Bagwan region of Kangra. Renu Bala and ambulance driver Bobby were rescued from the wreckage and taken to Hoshiarpur Civil Hospital, around 35km from the spot.