Anti-Trump protesters gather in Washington, other U.S. cities

Thousands of protesters gathered in Washington and across the U.S. on Saturday, part of some 1,200 demonstrations that were expected to form the largest single day of protest against President Donald Trump and his billionaire ally Elon Musk since they launched a rapid-fire effort to overhaul government and expand presidential authority.People streamed onto the expanse of grass surrounding the Washington Monument under gloomy skies and light rain. Organizers said that more than 20,000 people were expected to attend a rally at the National Mall.Some 150 activist groups had signed up to participate, according to the event's website. Protests were planned in all 50 states plus Canada and Mexico.