A man allegedly killed his sister-in-law and then fled from their house here in Maharashtra, an official said on Wednesday.

The incident took place on Tuesday evening in Nallasopara area of Palghar, the official from Mira Bhayander-Vasai Virar police control room said, adding that the motive behind the killing was not yet known. The accused, Naresh alias Narshu Naik, allegedly attacked his sister-in-law Meena Naik (55) with a crowbar and then ran way. The woman died on the spot, he said.