President Donald Trump’s military parade kicked off in Washington with a 21-gun salute, tanks and troops, as well as helicopters and parachutists, as protesters in hundreds of US cities demonstrated against his use of executive power.

President Trump is hosting a parade celebrating the 250th anniversary of the U.S. Army today, bringing tanks and soldiers to the streets of Washington, D.C., for the capital's first major military parade in more than three decades.