A 45-year-old flower vendor was found bludgeoned to death at her home at Doddakallasandra near Subramanayapura on Wednesday.
The police said Bhagyamma used to sell flowers at a bus stand at K.S. Layout.
They suspect that Bhagyamma, who used to live alone in the small house, could have been killed on Sunday.
She had not been turning up to sell flowers for over three days and this raised an alarm among other hawkers. They contacted her relatives who found that her phone had been switched off. The police were informed, and they broke open the lock of her house to find her body.
The police are questioning her neighbours and one of the angles being probed is a recent fight between Bhagyamma and a group of youth living next to her house over the noise emanating from their residence.