A State Police trooper arrested for allegedly assaulting his girlfriend appeared in court on Wednesday. 

State Police said the 45-year-old trooper, Robert Sundberg, violently assaulted his girlfriend in their apartment and put her in a chokehold at one point. When he fell asleep, she allegedly ran out of the apartment and called 911.

Sundberg, who is assigned to the Concord barracks and has been a State Police officer for 14 years, was arrested and charged with domestic violence. State Police said he was been relieved of duty and his license to carry a firearm was suspended.

Prosecutors said Sundberg was drunk when he assaulted the woman. The defense said at Sundberg’s arraignment that the pair are both troopers at the same barracks and that they have been living together for about a month. Sundberg’s attorney said his girlfriend was just angry that he was breaking off their six-year relationship.

Sundberg is now being held on bail. 

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