A cracker blast near Bin Qasim damaged the railway track Thursday. Divisional Commercial Officer (DCO), Pakistan Railways Karachi Division, Kashif Yousfani told BR. He said that Divisional Superintendent Karachi, Anzar Ismail Rizvi along with other staff rushed to the spot to carry out the necessary repair work. The damaged portion was of two-feet wide and three feet deep. However, no one was injured in the incident, Kashif said.