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.
More top news
Most areas will have increasing cloud and some northern areas will turn misty with possible fog by the end of the night.
Dry and mild overnight. Some heavy showers on Saturday.
Leicester City have announced they are hosting a victory parade in the city on Monday 16 May.