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FOR CLARIFICATION: Reports of an individual carrying a knife during the incident are inaccurate. A small pocket knife was discovered in proximity to the subject following the arrest. The Ottawa Police Service is investigating. #ParliamentHill — Parliamentary Protective Service (PPS) (@PPS_SPP) July 23, 2018

Jesse Mooney, 24, of Ottawa is charged with assault and breach of probation. The charges have not been tested in court.

Ottawa Police investigators confirmed this was an isolated incident.

Department of National Defence official Daniel Le Bouthillier said the incident took place Monday at 10:15 a.m. on the lawn of Parliament Hill, during the Changing of the Guard parade.

“Due to the quick reaction of our soldiers, RCMP and Parliamentary Protective Services, the potential threat was identified and neutralized,” Le Bouthillier said. “No one was injured during this incident.”

Defence Minister Harjit Sajjan tweeted he had been briefed about the incident.

“Relieved that no one was injured. Thank you to all Canadian Armed Forces, RCMP and Parliamentary Protective Services members for your prompt response,” Sajjan said.

The daily Changing the Guard Ceremony on Parliament Hill is a popular tourist attraction. It began on Sunday, June 24, and is scheduled to end on Aug. 23.

In addition to the daily Guard Mount ceremonies on Parliament Hill, the Ceremonial Guard performs hourly sentry duties every day at Rideau Hall from 9 a.m. to 5 p.m., the Canadian Forces said.

Pierre Poirier, the City of Ottawa’s head of security and emergency management, said municipal security measures didn’t change after the arrest.

“The City of Ottawa has not put any specific enhanced security measures in place as a result of the events that took place earlier today on Parliament Hill,” Poirier said. “Corporate security consults with the Ottawa Police Service on incidents of this nature to assess any potential impact to residents, visitors and staff.”