KARACHI, Pakistan — At least 62 people were killed on Sunday when a passenger bus crashed into an oil tanker on the outskirts of Karachi.

The bus was carrying 62 passengers inside and 10 on the roof, according to rescue workers at the scene. It hit the oil tanker early Sunday morning, while en route to the city of Shikarpur, in Sindh Province, said Rao Anwaar, a senior police official from Malir Town in the Karachi area.

Dr. Seemi Jamali, who is in charge of the emergency department at the Jinnah Postgraduate Medical Center in Karachi, said that 62 bodies had been brought to the hospital.

“Most of the bodies are not recognizable as they were burned severely,” she said, adding that the bodies would be identified through their DNA.