Earlier this month, detectives searching for Madeleine McCann ruled out the key sighting that underpinned the original Portuguese investigation and released e-fit images of a different man they wish to speak to who was seen carrying a child on the night she went missing.
Thousands of calls have been made to police in both the UK and across Europe following the recent appeal.
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A police officer has suffered potentially life threatening injuries after being assaulted in Doncaster.
Eight cases of fraud and four possible thefts are being investigated, Scotland Yard said.
The US president is set to call on leaders to rally together in the face of threats from North Korea and Iran at the UN General Assembly.