The agent, who notified the Secret Service of his own arrest by local police, has been suspended while the agency conducts an investigation into the matter is conducted, a spokesman said.
The Associated Press reported that the agent had been assigned to Vice President Mike Pence's security detail.
“The Secret Service is aware of an alleged incident involving an off-duty Secret Service employee," The spokesman said, adding that the agency takes "allegations of criminal activity very seriously. "
The Secret Service required the agent to surrender their equipment and weapons and was placed on "administrative leave".
"The employee’s security clearance and access to all Secret Service facilities has also been suspended. We are exploring the full range of disciplinary actions," the spokesman stated.