Officers investigating the rape of a woman in Derbyshire are now treating the attack as attempted murder.
Police said the offender tried to strangle the victim in the early hours of Sunday November 26 in Queens Avenue in Ilkeston.
Detective Chief Inspector Gareth Meadows who is leading the investigation said: “This was a serious attack on a woman who was alone following a night out.
“We have released a map of the area and we would like to speak to anyone that was in the vicinity between 2am and 5am on Sunday, November 26.
“If you saw anyone walking in the area or driving a vehicle and you have the details we would like to speak to you.
“Our officers have viewed a number of people on CCTV that were in the area at the time of the offence and we would like to eliminate them from our enquiries.
“If you are local to the area and you know anyone that was out at the time or if you were expecting someone home that did not arrive until later please contact us.”