"Jersey Shore" star Ronnie Ortiz-Magro was tasered and arrested after an altercation with his on-and-off girlfriend Jen Harley on Friday, according to reports.

Us Weekly reported the "Jersey Shore" star was arrested early Friday morning in Los Angeles after an alleged domestic violence dispute with Harley.

The Los Angeles Police Department confirmed that officers responded to a reported battery in progress at around 2:40 a.m.

"Suspect and victim were involved in some kind of physical altercation. When officers [were] on location, the suspect was uncooperative. Officers had to use a taser so there was minor use of force that occurred," an LAPD public information officer said.

The officer said Ortiz-Magro was arrested for felony domestic violence.

TMZ said Ortiz-Magro and Harley were staying at an Airbnb when Ortiz-Magro allegedly slapped and punched Harley.

Sources said Harley fled the house and that Ortiz-Magro gave chase while holding a knife and the couple's 18-month-old daughter, Ariana.

Ortiz-Magro reportedly locked himself and Ariana in the house. When police arrived, they broke down the door and used a taser.

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Ortiz-Magro has reportedly been charged with kidnapping.

Fox 11 said Ortiz-Magro was taken to a hospital to be evaluated. The LAPD said Harley suffered minor injuries in the dispute and that Ariana was not injured.

Ortiz-Magro and Harley had attended Ortiz-Magro's CBD launch party just hours earlier in West Hollywood.

Ortiz-Magro came to fame on the MTV series "Jersey Shore" and returned to star on "Jersey Shore: Family Vacation."

"Jersey Shore: Family Vacation" premiered a third season on MTV in August.