Former Metropolitan Police Chief, Dai Davies, has been speaking to ITV News Central about the latest developments in the case of Madeleine McCann's disappearance.
Davies, who used to be Head of Royal Protection, before he retired says these latest developments are welcomed, but hopes science can support the links.
Police are currently looking a similarities between Madeleine's disappearance in 2007 and twelve separate incidents between 2004 and 2010 where a lone intruder has appeared in the bedrooms of British girls on holiday on the Algarve.
Last night, following a new television appeal, 250 calls were received by investigating officers by members of the public.
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Police say they are very concerned for the well-being of a six-year-old boy who has been reported missing from home this afternoon.
A mother described how her son tried desperately to save a 5-year-old boy who died at Bosworth Water Park in Leicestershire.
A number of individuals have been jailed after a recent crack-down on seizing fire-arms by West Midlands Police.