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NEW DELHI — At least 89 people were killed at a restaurant in central India on Saturday when a cooking gas cylinder exploded and triggered a second blast of mine detonators stored illegally nearby, police said.

The restaurant, located next to the main bus station in the town of Petlawad in Madhya Pradesh state, was crowded with people having breakfast when the blasts occurred.

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Rescue workers extricated 89 bodies from under a huge heap of rubble, said Mewa Lal Gond, a police inspector in the mining district of Jhabua, where Petlawad is located.

In this frame grab from video, people help sift through and clear debris at the scene after an explosion at a restaurant on Sept. 12, 2015, in Petlawad, India. AP

Arun Sharma, a state health official, said doctors at a government hospital in the nearby district town of Jhabua conducted autopsies of 60 victims. The bodies were then handed over to the victims' families.

Around 100 other people were injured in the blasts and were taken to hospitals, Gond said.

The building where the restaurant was located and an adjacent building were destroyed by the explosions, and motorbikes outside the restaurant were flattened, he said.

Residents were evacuated from several adjoining buildings that were damaged in the blasts, said a police officer who spoke on condition of anonymity because he wasn't authorized to talk to the media.

Police struggled to keep hundreds of onlookers and people looking for their relatives away from the site of the explosions, he said. The crowds hampered the movement of ambulances and other emergency vehicles, and officers had to push them back to allow a bulldozer to reach the restaurant.

Gond said the detonators were stored illegally in a room adjacent to the restaurant. The explosive materials are used by miners for blasting operations or for digging wells.