Police in Bradford are appealing for information after a woman was threatened in her home during a robbery.
The incident took place between 2.15am and 2.17am on Southfield Lane on Saturday 25 August.
A 27-year-old woman answered a knock on the door and was confronted by four men who forced their way inside. One of them threatened the woman with a knife while others searched the downstairs room.
They fled empty handed a few moments later after a witness upstairs phoned the police.
Nothing was taken in the incident and no injuries were reported.
One of the men is described as black while the other three were wearing masks.
Detective Inspector Sally Shipley of Bradford District CID, said: “This was clearly a very frightening experience for the victim and we are conducting a number of enquiries today to determine a motive for what took place.
“Neighbourhood Policing officers are conducting reassurance patrols in the area and officers are also conducting door to door and CCTV enquiries.
“We would like to speak with anyone who may have information or who saw four men entering and leaving the property or hanging around outside just before the incident took place.”

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