A residential building being constructed illegally on forest land in a suburb of India‘s financial capital collapsed into a mound of steel and concrete, killing at least 45 people and injuring more than 50 others, authorities said Friday.

The eight-story building in the Mumbai suburb of Thane caved in Thursday evening, police said. Rescue workers with sledgehammers, gasoline-powered saws and hydraulic jacks struggled Friday to break through the tower of rubble in their search for possible survivors. Six bulldozers were brought to the scene.

“There may be (a) possibility people have been trapped inside right now,” local police commissioner K.P. Raghuvanshi said Friday.

At the time of the collapse, between 100 and 150 people were in the building. Many were residents or construction workers, who were living at the site as they worked on it, said Sandeep Malvi, a spokesman for the Thane government.

More than 20 people remained missing Friday afternoon and three floors of the building remained to be searched, said R.S. Rajesh, an official with the National Disaster Response Force who was at the scene.

`’All the three floors are sandwiched … so it’s very difficult for us,” he said.

The dead included 12 children, police said.

A nearby hospital was filled with the injured, many of whom had head wounds, fractures and spinal injuries. Hospital officials searched in vain for the parents of an injured 10-month-old girl who had been rescued.

At least four floors of the building had been completed and were occupied. Workers had finished three more floors and were adding the eighth when it collapsed, police Inspector Digamber Jangale said.

It was not immediately clear what caused the structure to collapse, but Raghuvanshi said it was weakly built. Police were searching for the builders to arrest them, he said.

`’The inquiry is ongoing. We are all busy with the rescue operation; our priority now is to rescue as many as possible,” he said.

Police with rescue dogs were searching the building, which appeared to have buckled and collapsed upon itself. Rescuers and nearby residents stood on the remains of the roof trying to get to people trapped inside. Residents carried the injured to ambulances and one man carried a small child caked white with dust from the wreckage.

Raghuvanshi said rescue workers had saved 15 people from the wreckage.

Building collapses are common in India as builders try to cut corners by using poor quality materials, and multi-storied structures are built with inadequate supervision. The massive demand for housing around India‘s cities and pervasive corruption allow builders to add unauthorized floors or build entirely illegal buildings.

The neighborhood where the building collapsed was part of a belt of more than 2,000 illegal structures that had sprung up in the area in recent years, said Malvi, the town spokesman.

`’Notices have been served several times for such illegal construction, sometimes notices are sent 10 times for the same building,” he said.

G.R. Khairnar, a former top Mumbai official, said government officials who allowed the illegal construction should be tried along with the builders.

`’There are a lot of people involved (in …read more

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