Justin Bieber Gets Into Alleged Altercation Upon Arrival Back Home in L.A.

UPDATE: (Wednesday, 7 a.m. PDT) - The following statement was given to "omg! Insider" from Justin Bieber's security: "the neighbor came onto justin's property to complain to him...supposedly about parties while justin was away...could have been other issues. they exchanged words. justin went inside. security spoke with the neighbor. police were called. no physical altercation."

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Justin Bieber may have only just returned to the U.S., but he's already found himself in some big trouble!

The Biebs is being investigated for battery, after a neighbor says Bieber made physical contact with him and threatened him.

L.A. County Sheriff's spokesperson Steve Whitmore confirmed to "omg! Insider" that an incident happened this morning at Bieber’s home in Calabasas, California.

Whitmore explains that at about 9:08 a.m. the LA County Sheriff’s Department responded to a (non-911) call.

The accuser - confirmed to be a neighbor of Bieber's - told deputies that Bieber made physical contact with him. The accuser also claims that Bieber threatened him. He made allegations of a battery and some threats.

The cops are no longer at Bieber’s home and the incident is under investigation.

Bieber is currently on a short break from his European tour. His next concert is scheduled for this Saturday, March 30, in Vienna, Austria.

We've reached out to his rep for comment. Story developing.

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