Pakistan, June 16 -- President Donald Trump's long-sought military parade rolled though the streets of downtown Washington on Saturday, but the celebration of the US Army's 250th anniversary was marred by a day of violence and discord.

In the hours before the parade began, hundreds of thousands of Americans marched and rallied in streets in cities from New York to Chicago to Los Angeles, protesting Trump's actions while in office, in the largest such actions since his return to power in January.

Earlier in the day, a gunman assassinated a Democratic lawmaker and wounded another in Minnesota. The gunman remains at large.

Meanwhile, Israel and Iran exchanged further attacks early on Sunday, stoking fears of a mushrooming conflict between...