Thousands took to the streets in Pittsburgh and across western Pennsylvania, as well as the country, on Saturday as part of a demonstration deemed "No Kings."

The "No Kings Nationwide Day of Defiance" is planned to "reject corrupt, authoritarian politics in the United States," organizers say.

Tensions, in some places, are running high, and at Clark Park, where thousands of protesters gathered a fight broke out. Police officers, who intervened, stopped it before it got worse.Start the day smarter.