The Madeleine McCann search has been extended for an extra day after a 'credible tip off', according to sources.
German police conducted their official major search of a remote reservoir in the Algarve on Tuesday (23 May).
Authorities have allegedly received a 'very credible' tip-off regarding the search at Barragem do Arade reservoir, located near the town of Silves - a spot prime suspect Christian Brueckner used to frequently visit.
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The McCann search was originally set to last for at least two days, but officials disclosed it may continue longer if anything of any importance is discovered.
Since the search commenced, police have removed a number of bags from the man-made dam while investigators continued their search for any sign of the missing British girl who disappeared at just three years old back in May 2007.
Investigators have been tirelessly searching for evidence to link McCann's disappearance to Brueckner who once called the reservoir, just 31 miles from where the little girl vanished, his own 'little paradise' in Portugal, according to Sky News.
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The 45-year-old German national was made a formal suspect - or an 'arguido' - by prosecutors in 2022.
German prosecutor Christian Wolter said: "We are investigating in Portugal on the basis of certain tips [tip-offs].
"I can't disclose the background at the moment, like why we are searching there and what we hope to find there."
He added: "That shall remain our secret for the moment."
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Since then, police have received a 'very credible' tip from an informant about the case.
Portuguese sources allegedly said a German informer gave detectives conducting search details about prime suspect Brueckner that have since been taken 'very seriously', The Sun reports.
The outlet also states that German probe chiefs were acting on 'indications' that vital evidence may be at the Arade Dam leading the search to extend tomorrow (25 May) for a third day - if not longer depending on what is found.
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A Portuguese source told The Sun: "It's clear that they believe there may be something very important here - because they've been given more time to search for it.
"The area is also being extended to include an area covered by vegetation which is being cut back so the ground can be examined.
"Indications are that the operation will continue into Thursday and possibly longer."
Topics: World News, UK News, News, Crime, Madeleine McCann
Rhiannon Ingle