WESTPORT — A Norwalk teenager allegedly threatened to punch a woman in the face after she took back a cell phone that she had bought for him, police said.

Westport police responded to a disturbance in a motor vehicle that occurred on Riverside Avenue around 7 p.m. Thursday.

At the scene, the alleged victim told police that she was sitting passenger in 19-year-old Kyle Vigneault’s car when the two began to argue.

Police said that the victim took Vigneault’s cell phone, which she told police she had purchased for him, during the argument and refused to return it to him.

The argument then escalated, police said, as Vigneault attempted to snatch his phone back from her while he was driving and when this failed, he instead grabbed the woman’s arm and began to threaten her.

Vigneault told the woman that he was going to “get physical” with her if she didn’t give him his phone back, even going so far as to say that he would “punch her in the face,” police said. The victim then called police, who later corroborated the story with a witness who was sitting in the backseat of the car.

Vigneault, who already had a protective order against him that stated he could not threaten the woman, was charged with criminal violation of a protective order and disorderly conduct.

He was held on a $5,000 bond, and he was scheduled to appear in court on Sept. 1.

ptomlinson@hearstmediact.com; 203-842-2570; Twitter: @Tomlinson_PE