India, June 6 -- New Delhi

A 26-year-old man and his 23-year-old brother were arrested for allegedly murdering the former's wife at their house in Ghazipur early Thursday, after she refused to have physical relations with the brother and scuffled with her husband for having an extramarital affair with a neighbour, police said on Friday.

Police said the two of them taped the mouth of the 21-year-old woman, suffocated her by wrapping a plastic bag around her head and then smothered her with a pillow. A case of murder and cruelty was registered, an officer said.

"The brothers killed the woman because she refused their demands. She also rejected their proposal for her 13-year-old sister to marry her brother-in-law once she turned 18," a se...