Detectives in East Sussex are searching for the mobile phone of a mother-of-four who was found dead alongside her husband.
The bodies of Chloe Bashford, 30, and her husband Josh, 33, were discovered at their home in Lewes Road, Newhaven, on Friday, 9 June.
Sussex Police want to trace Mrs Bashford's white iPhone 12, which has a clear case with pineapples on it.
Officers are now appealing to anyone who has been in possession of the phone or may have information about it to come forward.
Relatives have paid tribute to Mr and Mrs Bashford, describing them as "funny and loving" and "the most amazing parents" to their four children.
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Derek Martin, 64, also known as Derek Glenn, of Moulsecoomb Way, Brighton, has been charged with murder.
He appeared at Brighton Magistrates' Court on 12 June and is in custody ahead of a scheduled plea hearing on 3 August.