A police spokesman verified that at least 30 people were killed and 100 were injured when a train derailed in southern Pakistan.
Several carriages of the Hazara Express toppled near the Sahara railway station in Nawabshah, roughly 275 kilometres (171 miles) from Karachi, Pakistan's largest metropolis.
Passengers who were injured were sent to local hospitals. Rescue workers are still attempting to extract victims from the mangled wreckage.
Accidents are common in Pakistan's old railway system.
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Initial investigations revealed that the train was travelling at average speed, and officials are trying to determine what caused the crash.
According to a railways spokeswoman in Karachi, at least eight carriages left the track.
Based on the local network Geo, some passengers were still stuck inside a train carriage.
"We don't know what happened; we were just sitting inside," said one dazed woman rescued from a carriage while others were being taken away by ambulance.
The leading hospitals in Nawabshah and neighbouring Sindh districts have declared an emergency.
Social media videos show hundreds of people at the disaster site, with some passengers jumping out of the wrecked carriages.
"As soon as the accident happened, people started screaming." Everyone was panicking and racing around. People were in complete disarray." Asif Mir, who observed the incident narrated.
"Locals conducted the rescue operation nearly an hour before the rescue services arrived." We took them to nearby hospitals."
Train services to Sindh's interior areas have been halted.
According to Sindh Information Minister Sharjeel Memon, the government's primary priority is "the rescue work, which we are completely focused on."
Two trains crashed in Sindh province in 2021, killing at least 40 people and wounding scores more.
According to local media accounts, 150 people perished in such situations between 2013 and 2019.
