LAHORE    -   Pakistan Railways on Friday constituted a three-member inquiry committee to investigate and fix responsibility of the accident of Karachi-bound Rehman Baba Express train near Kotri in Sindh. According to the PR officials, all bogies and locomotive of the train derailed near Kotri, though all passengers and staff remained safe. The PR started rescue operation and alternative arrangements were made to facilitate passengers. A PR spokesperson said that train operations would not be distributed and all trains from Karachi would be operated according to the schedule. The inquiry committee will present its report within 24 hours to the PR chairman. The Railway administration has said that responsible persons would not be spared.