India, Feb. 8 -- A spate of fire incidents in Pakistan's largest city of Karachi, following last month's deadly Gul Plaza shopping mall blaze, has raised alarm among authorities, who are also examining the possibility of foul play, officials said on Saturday. At least five fire outbreaks were reported from different parts of the city on Friday, while an explosion damaged a pipeline of a main water pumping station in Dhabeji, disrupting water supply to millions of residents.

Senior Superintendent of Police (SSP) Zubair Nazir Sheikh said law enforcement agencies and fire service officials were closely monitoring the situation and probing the causes of the fires, including the possibility of foul play.

The renewed concern follows the Janua...