Detectives are investigating a serious sexual assault against a young child in Whitby.
Two people have been arrested and police are appealing for the public to help them trace a mobile phone which could have been discarded or sold on within the town.
They say the black Blackberry-style mobile phone is a vital piece of evidence.
It has a screen with a keyboard underneath and may contain crucial evidence which can help the investigation and it important that officers locate it.
Anyone who finds a discarded mobile phone, has recently bought one second hand matching the description of the one the police are looking for, or anyone who has any information which might help officers recover this phone, is urged to come forward as soon as possible.
Detective Sergeant Mike Moorhouse, of Scarborough Protecting Vulnerable Persons Unit, said: “This is a very serious matter and it is important that we recover as much evidence as possible.
“It is extremely important that we locate the mobile phone we are looking for and I am appealing to the public to help us.
“If you have recently bought a phone matching the description of the one we need to find, I urge you to do the right thing and get in touch with the police.”
A 50-year-old man and a 29-year-old woman have been arrested in connection with the investigation. They have been released on conditional police bail as enquiries continue.
Anyone with information that can help police to locate the mobile phone is urged to contact North Yorkshire Police on 101 – select option 2 – and ask for Mike Moorhouse or Scarborough Protecting Vulnerable Persons Unit.
Alternatively, information can be emailed to firstname.lastname@example.org
If you prefer not to give your name, Crimestoppers can be contacted anonymously on 0800 555 111.
Please quote reference number 12150001189 when passing information about this incident.