Police in Spain have arrested a flatmate of a British man whose penis was cut off last Friday.
The incident happened in Zaragoza, the capital of northeastern Spain's Aragon region last Friday afternoon
The British man is thought to be one of three people officially living in the property in where his amputated penis was found.
A police spokesman confirmed a man had been arrested on suspicion of wounding.
Officers in a patrol car heard him crying for help and he was rushed by ambulance to the Hospital Miguel Servet. Police managed to find his penis in a bag at home and rushed it back to the Miguel Servet Hospital in Zaragoza (pictured)
The whereabouts of the other flatmate, believed to be a woman, is not known.
Police were called after 33-year-old Londoner, identified only by his initials A.B, was spotted bleeding heavily in the street near his home, around 7pm last Friday.
It is understood the arrested flatmate told police the Brit had mutilated himself,
The age and nationality of the arrested man has not yet been revealed.
Local newspaper El Heraldo de Aragon claimed ahead of today's arrest police had discovered the expat had registered on a social networking app a few weeks ago in search of a candidate to film him mutilating himself.
The paper said: 'After we published a story on Monday about what had happened, the news appeared on Twitter, Facebook and other social media.
'A man from Zaragoza subsequently used Twitter to claim that a few weeks ago he saw another person living in the city was using a social networking app to look for someone who would film him while he cut off his penis.
'At that moment he didn't think it was true, but after he found out what had happened last Friday, he immediately linked what he had read with what what had occurred.
'One of the passers-by who saw the mutilated man bleeding last Friday in Gran Via read the Twitter messages afterwards and contacted the man who had written them and asked him if he could send him the profile picture of the man
