A woman was sexually assaulted in her own home on St Andrew’s Drive, off Boultham Park Road in Lincoln.
The woman in her 20s answered the door, a man entered her property and then subjected her to a serious sexual assault.
This incident was reported to police at 3pm on Sunday, February 2.
The man is described as a white male aged around 30.
He was 5’7” to 5’8” tall, stocky build with short dark hair. He wore a dark jumper with jeans. He was not wearing a jacket.
The incident is being investigated by the Lincolnshire Police Emerald Team, which specialises in the investigation of sexual offences.
They are appealing for witnesses or anyone who saw any suspicious persons, vehicles or activity in the area.
Anyone with information should contact Detective Sergeant Tim Wilkinson via the 101 non-emergency telephone number quoting incident number 263 of February 2.