A 35-year-old woman was allegedly raped by her neighbour, who had barged into her house in west Delhi while she was away and threatened her with a knife when she returned, police on Saturday.

The incident occurred on Friday, around 10pm in west Delhi's Aman Vihar. The victim lives with her husband and three children.

After recording the victim's statement, police registered a case against her neighbour, Naresh, 31, a police officer said.

The victim told police she had gone to market. "When she returned, Naresh, who had already barged into her house, kept her hostage at knife point and raped her," the officer said, on the basis of the victim's statement.

The victim told police that her husband was away at the time and her children were sleeping in another room.

The accused fled after committing crime, and has not yet been traced.

"The victim's medical report confirmed rape. A hunt is on to nab the the accused," the officer said.