Anyone with any information about the incident should contact Det Sgt Homes via the 24-hour Police Enquiry Centre on 101.
If you don't want to speak directly to the police, you can contact the independent charity Crimestoppers anonymously on 0800 555 111 or online at crimestoppers-uk.org. No personal details are taken, information is not traced or recorded and you will not go to court.
More top news
Forty six badgers in Sussex have now been vaccinated against bovine tuberculosis.
Proposal would see a task force set up to assess environmental impact from breaches of emissions testing rules.
Paid parental leave is to be extended to working grandparents under plans announced by George Osborne.