The 48-year-old victim sustained severe injuries after being attacked with “massive force” on February 9.
The suspect has been named by the National Criminal Police Office as Libyan national Fatah Chinan.
Police have released video footage and a photo of the Libyan suspect
Berlin police have released a video recording of the suspect from inside a pub, where he can be seen holding his jacket in his hands.
The latest attack comes amid a backlash to Chancellor Angela Merkel’s open border policy.
The change in public opinion was sparked by the Cologne New Year sex attacks.
Germany on Fire: Five injured in fire at home for asylum seekers Mon, February 6, 2017
At least five people were injured in a fire that broke out in a flat on the first floor of an asylum seekers accommodation in Bad Homburg, Germany. Firefighters were able to rescue trapped residents, one man had apparently already jumped from a window.
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Firefighters try to extinguish the flames during a fire at an asylum seekers accomodation in Bad Homburg, Germany
Some 1,310 individuals said they were victims of crime in Cologne city centre on New Year Eve's as Germany welcomed in 2016.
Six hundred and sixty two people also claimed they had been sexually assaulted and 28 saying they had been raped.
Migrant-on-migrant crime has also become a major cause for concern for the German government.
The suspect was caught on camera at a local pub
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Research has found an increasing number of female refugees at German migrant camps are being subjected to sexual and violent assault.
The German government last year pledged more than £160 million for better protection of female migrants and children.
Mrs Merkel's cabinet said the money will be used to remodel migrant holding centres in an effort to provide safety and increased privacy for female migrants and children.
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