1990 Sukkur rail disaster: On 4 January 1990, the Bahaudddin Zakaria Express was on a 560-mile (900 km) overnight run from Multan to Karachi. Near Sangi village outside of Sukkur, Sindh the tracks were incorrectly set and sent the train hurdling into a siding where it collided with an empty 67-car freight train at a speed of at least 55 mph, killing 307 people. It remains one of the worst rail disasters in Pakistan Railways history.[3]
2016 Landhi rail accident: 22 people were killed and more than 65 injured when the Bahauddin Zakaria Express collided with the Fareed Express at Juma Goth Train station situated in Landhi, Karachi on the morning of 3 November 2016.[4][5]