New Delhi, Jan. 22 -- The toll from a deadly fire at a shopping plaza in Pakistan's largest city could rise sharply after Wednesday's discovery of body parts thought to belong to over a dozen people, officials said.

Searchers for the first time reached a shop in Gul Plaza in Karachi where many people had sought refuge during Saturday's fire.

Before the discovery, 29 people had been confirmed dead, according to police surgeon Dr. Summaiya Syed. She confirmed that the city's main hospital received more than two dozen body parts during the fifth day of searches.

Javed Nabi Khoso, a government administrator, said initial estimates suggest the remains recovered from the shop may belong to 15 to 25 people.

"This is the first time such a lar...