Police in India are searching for a man in connection with a gas explosion at a restaurant which killed 90 people.

It is reported that a cooking gas cylinder exploded and triggered a second blast of mine detonators stored illegally nearby.

Crowds of locals have protested the authorities' response to the disaster, criticising their enforcement of safety regulations and the failure to arrest the contractor who was illegally storing mine detonators.

According to TV station CNN-IBN, residents had previously complained about the storing of explosives, though no ation was taken.

According to Al Jazeera, the explosion occurred at 8.30am at the restaurant as dozens of office workers and schoolchildren were having breakfast in the area.

However most of the victims were day laborers had also gathered to be hired by contractors at manganese mines in the area.

More than 100 were also injured in the blast, with 20 still in critical condition in hospital.