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Pakistan Bomb Blast Toll Rises to 43

A Pakistani bulldozer work at a market which was burned by angry mob, Dec. 29, 2009 in Karachi, Pakistan.
AP Photo/Shakil Adil
Authorities appealed for calm Tuesday after a bombing against a Shiite Muslim procession killed 43 in Pakistan's largest city of Karachi, setting off riots and igniting fears of sectarian unrest.

Security was tight as thousands of people gathered in central Karachi for funerals of some of those killed in Monday's bombing of a Shiite procession marking the key holy day of Ashoura.

The attack sparked riots as people rampaged through the city, setting fire to markets and stores. Firefighters were still battling the flames Tuesday, with authorities calling for reinforcements from the city of Hyderabad, 105 miles north of Karachi, Pakistan's main commercial hub.

Karachi Mayor Mustafa Kamal said the city's largest wholesale market was on fire, and that hundreds of shops had been destroyed, with damages estimated to run into millions of dollars.

Interior Minister Rehman Malik, who visited Karachi on Tuesday, said authorities were still trying to determine whether the attack had been carried out by a suicide bomber, as he had said Monday.

"The investigation is still going on to determine whether it was a suicide attack or some improvised explosive device was used," said Malik, who appealed for calm and said he had ordered an investigation into who was behind the rioting.

"If anyone is trying to cripple Karachi, then he is also trying to cripple Pakistan," the minister said.

Senior health official Hashim Malik said the death toll increased to 43 on Tuesday. Many among the dozens wounded were critically hurt, and several died overnight and on Tuesday morning.

CBS News' Farhan Bokhari reports a senior Pakistani ruling politician on Monday claimed the attack was carried out by a Taliban suicide bomber in retaliation for an ongoing campaign against militants in the region along the border with Afghanistan.

A Pakistani intelligence officer in Karachi told Bokhari that recent suicide attacks in Pakistan "are exclusively linked to the Taliban."

"We had reports of such an attempt in the pipeline, and the arrangements were foolproof, but in a city like Karachi with a population of 18 million, including many who live in very impoverished neighborhoods, you can never have 100 percent security," the intelligence told CBS News on condition of anonymity.

Karachi has largely been spared the Taliban-linked violence that has struck much of the rest of the country, a fact that analysts believe is driven by the group's tendency to use the teeming metropolis as a place to rest and raise money. But the city has been the scene of frequent sectarian, ethnic and political violence.

It was unclear who was behind Monday's bombing. Pakistani authorities say sectarian groups have teamed up with Taliban and al Qaeda militants waging war against the government in a joint effort to destabilize Pakistan. More than 500 people have been killed in attacks since mid-October when the army launched a major anti-Taliban offensive in the country's northwest.

"A deliberate attempt seems to be afoot by the extremists to turn the fight against militants into a sectarian clash and make the people fight against one another," said President Asif Ali Zardari in a statement Monday.

Monday's bombing struck at the start of a procession of Shiites marking Ashoura, the most important day of a monthlong mourning period for the seventh-century death of the Prophet Muhammad's grandson, Imam Hussein. Minority Shiites have suffered frequent attacks by Sunni extremist groups who regard them as heretical.

"I fell down when the bomb went off with a big bang," said Naseem Raza, a 26-year-old who was marching in the procession. "I saw walls stained with blood and splashed with human flesh."

Residents in apartments near the blast site tossed down body parts that had been cast into their homes from the explosion, while birds dove down to pick at the flesh amid damaged vehicles and motorbikes.

Bomb disposal squad official Munir Sheikh said some 35 pounds of high explosive were used in the bombing. He said the intact head and torso of the suspected suicide bomber was found on the third floor of a nearby office building, where it had crashed through a window.

No group claimed responsibility for Monday's attack, but Malik on Monday pointed his finger at a cluster of militant groups, including the Pakistani Taliban, al Qaeda, Lashkar-e-Jhangvi and Jaish-e-Mohammad, that he said have a joint goal to destabilize Pakistan.

Malik appealed to the Shiite community to cancel processions for the next two days.

Monday's bombing was the third explosion in as many days to hit Karachi, although authorities attributed a blast that wounded 30 on Sunday to a buildup of gas in a sewage pipe. Protests broke out after that blast too, with Shiites torching at least three vehicles.

On Saturday, another blast near a Shiite procession wounded 19 people. Authorities attributed that explosion to a firecracker that was so powerful it left a crater in the road.