Thames Valley Police is releasing two images following a dangerous dog incident in Oldbrook.
At around 3am on Sunday 4 July, a dog was walking off a lead in Trueman Place when it came across a cat, which it attacked and subsequently killed.
Investigating officer PC Jim Adams, based at Milton Keynes police station, said: “This is a distressing incident for all those involved and it is important that this dog and its owner is identified to ensure suitable advice and precautions can be put into place to prevent any incidents like this from happening again.
“The images I’m releasing are of the dog and of a man that I believe may have vital information about this incident so if you recognise either, or have any information that could help with this investigation, please get in touch.
“You can contact us using our online form or by calling 101, quoting reference number 43210304257. Alternatively, you can contact the independent charity Crimestoppers anonymously on 0800 555 111 or via their website.”