A day after 19 passengers were charred to death in a fire in a private bus here, the Andhra Pradesh Police on Saturday said the explosion of two 12 KV batteries contributed more to the blaze than the two-wheeler’s fuel tank.

The driver of the bus and the additional driver have been taken into custody by the police, although they hold the former culpable.

The DNA profiling of the charred bodies was under way to establish their identities and the process may take be completed by Monday, a district official said.

In the wee hours of Friday, the sleeper bus from Hyderabad to Bengaluru ran over a two-wheeler, which had already met with an accident, at Chinna Tekuru village in Kurnool district, resulting in the eruption of a raging fire which burned 19 passengers to death.

There were 44 pass

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