OFFICERS investigating the murders of Bewdley retired teacher Betty Yates and South Gloucestershire Reverend John Suddards are appealing for the public's help in locating a rucksack and a mobile phone.

Police believe the missing rucksack and phone could be vital to their investigations and may be on farmland or in an outbuilding or barn in the South East, potentially in the Eastbourne/Bexhill area.

Officers are appealing to farmers to check their property for these items which may have been discarded some time between Tuesday, February 14 and Saturday February 18.

The 'Eurohike Hydro' rucksack is olive green and black and has a distinctive orange belt clip on the side straps which doubles as a whistle.

If anyone finds this bag they are asked not to touch it but to contact the police immediately as it may need to be preserved for forensic evidence.

Police are also looking for a missing purple Blackberry 9300. If anyone knows the whereabouts of this phone or has been offered one for sale since Tuesday, February 14 they are asked to contact the police.

Betty Yates was found dead in her home on Wednesday January 4.Reverend Suddards was found dead in his home in Thornbury on Tuesday, February 14.

Stephen Farrow, aged 47, has been charged with murder and remains in custody.

You can contact your local police force by dialling 101 or please call Crimestoppers on 0800 555 111.