Burglars stole an electric bike after entering a Corby house.
The incident took place in Waverley Avenue between 8pm on Friday, February 1 and 4am the following morning.
A police spokesman said offenders entered the property and stole a black Zipper Z2 electric bike with a black and white bag attached, an iPhone and a bottle of whisky.
Anyone with any information should contact Northamptonshire Police on 101.
Information can also be submitted anonymously to Crimestoppers on 0800 555111.