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
A section of the M3 has been closed and bomb disposal units are at the scene after reports of "potential hazardous material in the road".
Largely dry with cloud and some sunny spells this afternoon with light winds.
Dry with sunny spells and light winds.