Islamabad, Aug. 22 -- The death toll of a fire that broke out in a fireworks factory in Pakistan's southern port city of Karachi in Sindh province on Thursday has reached five, with more than 34 injured, police and hospital officials said on Friday.

The hospital officials told local media that the injured people are being treated at different hospitals, adding that at least five are in critical condition.

Police said that a short circuit triggered a fire in the warehouse of the factory where raw material used for the preparation of firecrackers was stored, causing a huge explosion and extensive damage to nearby buildings and vehicles.

Hassaan Ul Haseeb Khan, spokesperson of the state-owned rescue organization Rescue 1122, told Xinhua tha...