SAVAR, Bangladesh » An eight-story building housing several garment factories collapsed near Bangladesh’s capital today, killing at least 87 people and trapping many more under a jumbled mess of concrete. Rescuers tried to cut through the debris with earthmovers, drilling machines and their bare hands.

Less than five months after a factory fire killed 112 people, the disaster again underscored the unsafe conditions in Bangladesh’s massive garment industry. Workers said they hesitated to go to work today because the building had developed such severe cracks the previous day that it had been reported on local news channels.

Abdur Rahim, who worked on the fifth floor, said a factory manager assured them there was no problem, so they went inside.

“We started working. After about an hour or so the building collapsed suddenly,” he said. He next remembered regaining consciousness outside the building.

Home Minister Muhiuddin Khan Alamgir told reporters during a visit to the site that the building had violated construction codes and “the culprits would be punished.”

Among the businesses in the building were Phantom Apparels Ltd., New Wave Style Ltd., New Wave Bottoms Ltd. and New Wave Brothers Ltd., which make clothing for brands including Benetton, The Children’s Place and Dress Barn. Workers said they didn’t know what specific clothing brands were being produced in the building because labels are attached after the products are finished.

Sumi, a 25-year-old worker who goes by one name, said she was sewing jeans on the fifth floor with at least 400 others when the building fell. “It collapsed all of a sudden,” she said. “No shaking, no indication. It just collapsed on us.”

She said she managed to reach a hole in the building through which rescuers pulled her out.

Reports suggested the death toll was likely to rise.

“We sent two people inside the building and we could rescue at least 20 people alive. They also told us that at least 100 to 150 people are injured and about 50 dead people are still trapped inside this floor,” said Mohammad Humayun, a supervisor at one of the garment factories.

Tens of thousands of people gathered at the site, some of them weeping survivors, some searching for family members. Firefighters and soldiers using drilling machines and cranes worked with local volunteers in the search for survivors.

An enormous section of the concrete structure appeared to have splintered like twigs. Colorful sheets of fabric were tied to upper floors of the wreckage so those inside could climb or slide down and escape.

An arm jutted out of one section of rubble. The lifeless body of a woman covered in dust could be seen in another. A firefighter carried the body of what appeared to be a teenager from the area.

Rahim said his mother and father, who worked with him in the factory, were trapped inside.

“I have no idea what is going on,” he said.

Mosammat Khurshida wailed as she looked for her husband. “He came to work in the morning. I can’t find him,” she said. “I don’t know where he is. He does not pick up his phone.”

The building, in the Dhaka suburb of Savar, also housed a bank and shops.

Zahidur Rahman, director of public relations at Enam Medical College and Hospital, said by thsi evening 87 people had been confirmed dead. Brig. Gen. Mohammed Siddiqul Alam Shikder said 600 people had been rescued.

At the morgue of the medical college, many wailed as they waited for the bodies of their loved ones. “Where’s my mother? Where’s my mother? Tell me, tell me, oh Allah, oh Allah,” Rana Ahmed cried.

The November fire at the Tazreen garment factory drew international attention to working conditions in Bangladesh’s $20 billion-a-year textile industry. The country has about 4,000 garment factories and exports clothes to leading Western retailers. The industry wields vast power in the South Asian nation.

Tazreen lacked emergency exits and its owner said only three floors of the eight-story building were legally built. Surviving employees said gates had been locked and managers had told them to go back to work after the fire alarm went off.

Clothes with Disney, Wal-Mart and other western labels were found at that factory.