Justin Bieber is being investigated for allegations of misdemeanor battery and making threats following a verbal altercation with a neighbor, a law enforcement official told ABC News.

L.A. County Sheriff's spokesman Steve Whitmore told ABC News that the incident took place at 9 a.m. today at the singer's home in Calabasas, Calif.

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Bieber's neighbor later filed a battery report, alleging that the 19-year-old singer made physical contact with him and threatened him.

The neighbor told "Good Morning America," "He's a punk. He thinks he's invincible. He can't continue to have a bunch of enablers around him. It was a very unpleasant and upsetting situation." The pop star's rep did not respond immediately to ABC News' request for comment.

Read About Justin's Recent Dramas

TMZ reported that the neighbor was complaining to Bieber about loud parties at the singer's home while the singer was away. Other reports said the singer had just returned home from concerts overseas when he began racing his Ferrari up and down the streets.

Following the neighbor's confrontation with Bieber, the singer was accused of battery.

Quoting a source connected to Bieber's security, TMZ said the singer told the neighbor to leave his property but did not have any physical contact with him.

The investigation is ongoing.

Bieber has been touring in Europe. He played in Poland last night, but, according to Whitmore, had returned to his home by this morning.