The Ottawa Police Service (OPS) and the Parliamentary Protective Service (PPS) are on scene at Parliament Hill for a barricaded man in the area of East Block.

"There is a large police presence in the area. East Block has been evacuated," OPS said in a social media post late Saturday afternoon.

"There are no known injuries and police continue to deal with an individual in this ongoing incident that began just before 3 p.m. [ET]," the police force added.

Members of the public are being asked to avoid the area and follow officers' directions. Road closures remain in place on Wellington Street from Bank Street to Sussex Drive, OPS said.