WASHINGTON — A planned Canadian military demonstration that would have included simulated bomb blasts within blocks of the White House and the Capitol, has been scaled back after media reports focused on the explosive elements.

The Canadian Embassy had planned to simulate the detonation of an improvised explosive device several times over two days starting Sept. 23 to demonstrate what life is like in devastated Afghanistan and how Canadian forces there respond with medical help.

In a Sept. 7 story, Canada's military attache in Washington, Lt. Col. Douglas Martin, told the Toronto Globe and Mail that the demonstration would take place in the front courtyard and driveway of the Canadian Embassy. "Absolutely, you are going to hear it out on Pennsylvania Avenue," Martin told the paper. The embassy sits along the fabled Washington boulevard within sight of the U.S. Capitol.

The Associated Press learned Friday that the Canadians had scrapped the IED blast simulation.

Under the new scenario, it is likely that people on Pennsylvania Avenue will hear loud voices behind the 6-foot gate surrounding a fake Afghan village in the Canadian Embassy's driveway, Martin said. But there will be no sounds of fake gun shots or bomb explosions, he said.

"It will be a little bit quieter than perhaps what you heard on the Potomac today," said Martin, referring to the fears and confusion caused by erroneous news reports Friday morning that the Coast Guard fired 10 shots at a boat on the anniversary of the Sept. 11, 2001, terror attacks.

As part of a security exercise, Coast Guard boats appeared to try to stop an intruder boat on the river near the Pentagon; radio transmissions over a Coast Guard training channel said shots had been fired and one officer was heard saying: "bang, bang, bang." The agency later said that was a standard method of simulating gunfire during training. At about the same time, President Barack Obama was arriving at the Pentagon for a Sept. 11 commemoration ceremony.

The news reports spurred the FBI to respond to the scene and flights to be temporarily grounded at nearby Ronald Reagan Washington National Airport.

The D.C. Fire Department said the Canadian Embassy obtained all the permits necessary to hold the demonstration. The Secret Service, which guards the president, said it was aware of the Canadian plans.

"The IED portion -- pun intended -- has blown out of proportion," Martin, the Canadian attache, told the AP. And on Thursday, the Canadian defence minister decided not to include the IED blast in its program or do anything else to scare the general population, spokesman Dan Dugas said in Toronto.

"I don't think it's required to make loud noises on the Mall to show people what the Canadian Forces are doing in Afghanistan." Dugas said. "We're doing a fabulous job and at a cost. And I think it's sufficient to remind Americans of our contribution to this international mission without having to set off pyrotechnics."

The two-day demonstration will include what an Afghan village would look like after an IED blast, Martin said. Canadian troops will play the military parts, and people from Afghanistan who work in the United States will play the roles of Afghans.

During the demonstration, the Canadians will host panels inside the embassy talking about policing in Afghanistan and psychological injury to troops, Martin said.