Tanvir Ahmed, who allegedly set ablaze his lover, a post-Godhra communal riot witness, on Tuesday over compensation money, has been arrested, police said on Saturday.

Bibi Bano is battling for life in an Ahmedabad hospital with 55% burns.

She is a witness to the Naroda-Patiya massacre in 2002 and had received about Rs 350,000 compensation after losing her husband, daughter and six relatives in the riots. She had deposited the money in a bank.

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Ahmed was allegedly demanding that money. He had been threatening her for several days and she had lodged a police complaint following which he was arrested and later released on bail.