UPDATE Nov. 17, 2016: A jury exonerated Gregory of all wrongdoing, returning a not-guilty verdict on the assault and battery charge.

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A deputy of the Loudoun County Sheriff's Office is accused of assaulting someone during an arrest earlier this summer.

Deputy John W. Gregory was served a summons on Friday for one misdemeanor charge of assault, the sheriff's office said Friday night.

The 10-year veteran of the agency was reported to have assaulted the arrestee on June 14, the sheriff's office said, releasing few other details.

"Due to the ongoing investigation and pending court proceedings, no further details can be released at this time," a statement from the office said.

Gregory, who was assigned to the Field Operations Division as a patrol deputy, was placed on paid administrative leave.

The assault claim was reported to the sheriff's office in July. Gregory was placed on leave after a review by Loudoun County Sheriff Mike Chapman, the Office of the Loudoun County Attorney and the Office of the Loudoun Commonwealth’s Attorney, the statement said.

Virginia State Police investigated the reported assault and then directed the sheriff's office to conduct an internal investigation to "determine if policies and procedures were properly followed," the sheriff's office said.

Stay with News4 for more details on this developing story.