Police say they saw 34-year-old Rockey Lee Dickey Jr., of Manhattan Beach, Calif., hitting another man on a city sidewalk around 1 a.m. Thursday. Police say Dickey swung at an officer, knocking off his hat.
They say 23-year-old Alex Montes, of Valencia, Calif., then put an officer in a headlock.
Both men were being held in the Allegheny County Jail on charges of assault and public drunkenness. It was not immediately known if they had attorneys.
A statement on Spears' Web site says the tour doesn't "support or tolerate this type of behavior."
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