Kusum, who declined to give her second name, said the family was proud of the bus driver for picking up the bag containing the explosives and throwing it out. He said his action appears to have triggered the explosion.

The Delhi government had decided to give the bus driver and the conductor, who pointed out the suspicious package to Singh, a "bravery" award of $4 420.

Elsewhere in the city, other families and friends continued the grim task of trying to identify disfigured corpses of their loved ones who had been missing since the blasts.

One man waiting outside Safdarjung Hospital said he had identified a young employee from his luggage shop as early as Sunday, and notified the boy's older brother to come from Bihar state to perform the last rites.

Abdul Mazid Urbablu said: "We identified him out of 50 bodies, from his height, his teeth. No on else is claiming the body, but they are not letting us take it."

With more than one family claiming the same body, and with some families still seeking missing members, police said they must confirm identity beyond a shadow of a doubt.

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