On 6 August 2023, at 13:18 PKT (08:18 UTC), ten coaches of the Hazara Express travelling from Karachi to Havelian in Pakistan derailed near Nawabshah, in Sindh.

[2] At 13:18 PKT (08:18 UTC),[8] ten coaches of the Hazara Express derailed near Sarhari railway station, between Shahdadpur and Nawabshah, en route from Karachi to Sargodha.

[8] The injured went to the nearby Peoples Medical College Hospital in Nawabshah and operations on the main rail were halted as repair crews arrived.

[10] Benazirabad Deputy Inspector General of Police Younis Chandio said that nine out of ten wrecked coaches had been cleared of the dead and injured.

[11] A preliminary report submitted by a six-member team on 8 August 2023 stated that metal fishplates connecting the rails at the accident site were missing and that a section of track had been replaced with wood.