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Madeleine McCann: 150 calls received after fresh appeal on Dutch TV

Police are trying to identify a number of fair-haired men - possibly Dutch or German nationals

Detectives investigating the disappearance of Madeleine McCann have received another 150 calls after a fresh appeal for information was aired on Dutch television.

The team is trying to identify a number of fair-haired men, possibly Dutch or German nationals, who were seen lurking around the apartment where the little girl was last seen in Praia da Luz, Portugal in 2007.

An appeal was broadcast last night in Holland on a programme called Opsporing Verzocht, and will feature on the German programme Aktenzeichen XY...ungelost tonight.

British police have already received hundreds of calls and emails after a refreshed appeal was aired on the BBC's Crimewatch on Monday night.

Scotland Yard said yesterday that they had received more than 730 calls and 212 emails after the broadcast, and Madeleine's parents Kate and Gerry said they are "genuinely hopefully" that a breakthrough could be possible.

Detective Chief Inspector Andy Redwood revealed that his team have now discounted a key sighting that was previously thought to be a kidnapper carrying Madeleine away from the apartment at around 9.15pm on May 3, 2007.

Instead they are looking at another man who was seen carrying a child towards the sea around 45 minutes later, and have released two e-fits of the suspect in a bid to find out who he is.