MULTAN/DG KHAN/LAHORE - A helicopter with the Punjab Rangers Director General (DG), his son and two others onboard crashed Wednesday into the Indus River at Bakhri Ahmad Khan about 40 kilometres from Layyah district, defence sources confirmed. Those on board were identified as DG Maj-Gen Nawaz, his son Capt Asif Nawaz, pilot Lt-Col Amir Abbas and technician Subedar Ibadullah. The helicopter was going to Kashmore from Dera Ismail Khan. Defence sources confirmed that the body of Capt Asif Nawaz had been recovered while operation to find remaining bodies was called off after nightfall due to bad weather. The weather was highly turbulent when the chopper crashed. Some witnesses claimed that they saw the chopper in flames besides hearing blasts before it plunged into the river. Besides two helicopters from Multan, another one carrying army divers from Mangla was sent to the crash site for rescue and recovery operation. Reports reaching here disclosed that about 80 percent of debris of the ill-fated chopper was pulled out of the river while divers made hectic efforts to trace the remaining bodies. Civil and army officials rushed to the spot after learning about the tragic incident and supervised recovery operation. DPO Layyah Ch Muhammad Saleem said that helicopter caught fire in the air, then pilot Amir Abbas contacted the Multan tower at 10:12am and informed it that he was coming to Multan but it fell into the river Indus. Rescue workers suspended the search operation late on Wednesday night due to bad weather, officials said. According to an official of the Pakistan Rangers Punjab, Major General Muhammad Nawaz was on an internal security mission along with his son and ADC Captain Asif Nawaz, Lt Amir and Subedar Ibadullah. The rescue operation would resume early Thursday. Till late Wednesday night, the rescue teams could recover one dead body and the wreckage of the helicopter after hours-long hectic efforts. Parts of the helicopter including its control panel, the foot board, helicopters rear half portion along with rear wings and others were found and retrieved to the river bank, a Rescue 1122 official said. Born in 1957 in village (Chak No 126/GB) in Chiniot district of Punjab province, Major General Muhammad Nawaz was known as 'lion hearted officer in the Rangers. He joined the Pakistan Army in 1980 as a commissioned officer and served in the Frontier Force Regiment (FF). During his service, he also worked as Defence Attach in Iran. Major General Muhammad Nawaz also joined different war courses at the National Defence University, Islamabad. On January 6, 2011, Major General Muhammad Nawaz was posted as DG Rangers Punjab. Army spokesman Major Farooq Feroz said: There are no reports of any survivors. The cause of the crash is being investigated. It appears to have been a technical fault, but the weather was also bad.