According to eyewitnesses, only three passengers managed to run out of the bus.
The Rescue sources said Ata Muhammed, the driver of the ill-fated bus was also among the deceased.
The Rescue sources said at least 30 torched bodies are present on the accident site. Most of the bodies are burnt beyond recognition.
Bus is completely gutted. The Rescue sources said the fire had already enveloped the bus before the fire-brigade vehicle reached the site from Landhi.
The ill-fated bus was en-route to Shikarpur from Karachi.