Police have launched an urgent search for the 'partner in crime' of key Madeleine McCann suspect Christian Brueckner after identifying the man as a potential new witness

Search underway for Madeleine McCann suspect Christian Brueckner’s 'partner in crime' after police surround home

Madeleine McCann (l) Portuguese detectives looking for Madeleine search reservoir (top r) Prime suspect Christian Brueckner (bottom r)

Met detectives hunting for Madeleine McCann 'to receive £100k boost' in potential sign of 'new leads'

Brueckner appeared in court on Friday.

Madeleine McCann prime suspect Christian Brueckner 'worked in hotels around resort where Brit child went missing'

The prime suspect in the Madeleine McCann case is set to face a key witness in court

Madeleine McCann prime suspect Christian Brueckner set to face key witness in court during sex assault trial

Christian Brueckner (l) and Madeleine McCann (r)

Madeleine McCann chief suspect 'plotted to abduct and sell' a child while working in Algarve resort, it is claimed

Accusations against Brueckner have been read out in court

Irish tour guide feared Madeleine McCann suspect 'would behead her during rape' as full accusations revealed in court

Brueckner's trial is unrelated to Madeleine's disappearance

Madeleine McCann suspect subject of 'unfair media campaign' over toddler's disappearance, lawyer tells court

Here's a timeline of events around Madeleine's disappearance.

What happened to Madeleine McCann? Timeline of events and developments in the 16 years since her abduction

Christian Brückner appeared in court in the northern city of Braunschweig, facing three allegations of rape and two of sexual abuse

Madeleine McCann suspect Christian Brueckner seen for first time in four years as he faces rape charges in German court

Christian Brueckner's lawyer has said he thinks he can get an acquittal for the Madeleine McCann suspect.

Christian Brueckner’s lawyer pledges to clear Madeleine McCann prime suspect of rape charges and free him from jail

Christian Brueckner is the main suspect in Madeleine McCann's disappearance

German Madeleine McCann suspect 'tried to recruit man to kidnap child' in Portugal a week before she vanished

Christian Brueckner is the main suspect in the disappearance of Madeleine McCann

Madeleine McCann suspect 'had notes of child rape fantasies' as prosecutor says they give an 'insight into his mind'

Julia Wendell has said she regrets pretending she was Madeleine McCann

Madeleine McCann faker Julia Wendell admits she’s not Maddie, tells of regrets and says 'I wanted to know the truth'

New charges against Christian Brueckner have been revealed.

Madeleine McCann suspect ‘snatched child’ days before toddler vanished and ‘filmed himself assaulting another girl’

Madeleine McCann's parents say they hope perseverance will lead to results

Madeleine McCann's parents issue fresh statement as they say their search will 'eventually yield results'

The prime suspect in the Madeleine McCann case is finding it difficult being accused of her kidnapping.

Madeleine McCann prime suspect 'struggling with pressure of being accused of one of most infamous crimes'

German investigators have discovered "evidence" of Madeleine McCann

Madeleine McCann detectives 'have just weeks to crack investigation into prime suspect' as it 'verges on collapse'

Christian Brueckner is alleged to have taken 'trophies' from his victims in the past.

Madeleine McCann suspect 'may have taken pictures of missing toddler and buried them underground'