MADELEINE McCann cops have sent samples from their crunch search in Portugal for testing, reports in Germany claim.

The three-day search had widely been labeled a flop after police appeared to leave the site next to Praia da Luz empty-handed last week.

However, observant investigators discovered small fragments they believe might be connected to Maddie, following prime suspect Christian Brueckner, 38, camping at the location.

The samples have now been sent to Germany for testing amid hopes they could finally reveal the forensic link cops are missing on the case.

Watch The Sun’s exclusive documentary on the Maddie case here

Cops are understood to have found clothes and animal bones during the extensive search through an area known as Brueckner’s “rat run”.

Without concrete proof tying these fragments to the convicted German offender, prosecutors may struggle to secure the arrest warrant needed to keep Brueckner detained.

The claims were made in the Berlin Morning Post.

A source said: “Several objects have apparently been discovered, which are now being examined in more detail by the police in the laboratory.

“As Portuguese media report, clothing debris and bones were found, among other things.

“The authorities haven’t officially stated if the findings relate to Madeleine’s case, but that is evidently their objective.”

The search took place around an area of scrubland which is located close to where the British toddler was staying with her parents back in 2007.

The little girl was aged just three when she vanished and has never been found since despite extensive searches.

German and Portuguese police used JCB-type machines and ground-penetrating radar but found “nothing of consequence”.

It was reported that animal bones and adult clothing were the only things unearthed – but no traces could be linked to Maddie.

This quickly dashed hopes of pinning Brueckner with fresh DNA evidence until the latest developments today.

It comes as The Sun uncovered new Maddie evidence in a bombshell documentary.

The world exclusive doc lifts the lid on gripping new information and reveals why Brueckner is the prime suspect.

Our compelling investigation unveils the horrors found at his abandoned factory lair – and his obsession with small children.

Madeleine McCann: Inside the Secret Evidence is now available to watch online for free on our YouTube page.

The dossier of overwhelming circumstantial evidence includes exclusive images of kids’ swimming costumes, a toddler bike and toys found at his property.

We also reveal how cops found a mask, guns and child kidnap stories where Brueckner describes using kidnap chemical ether to take a mum and tot outside a preschool.

Our documentary on the police files represents the biggest leap forwards in understanding of the case since German police revealed Brueckner as a suspect in 2020.

It contains an interview with Irish holiday rep Hazel Behan, 41, who Brueckner was cleared of raping in 2005 at trial in Germany last year.

Hear from experts at The Sun and in Germany about the ongoing race against time to stop dangerous Brueckner being released in as little as three months.

Christian Brueckner refuses to answer police questions or provide an alibi, but has never been formally charged over the disappearance of murder of Madeleine McCann.

He has insisted his innocence in letters while his lawyers continue to maintain he had nothing to do with the taking or killing of Maddie.