Protestors rallied in downtown Pittsburgh ahead of President Trump’s birthday military parade in Washington. Nationwide, organizers call for “No Kings.”

Pittsburgh's public safety director says he doesn't expect any unrest, but the city is ready with extra police officers on hand just to keep everyone safe.

Communities across southwestern Pennsylvania joined the national “No Kings” movement. PHOTOS: Thousands of people gather for No Kings protests across Western Pennsylvania Organizers said they wanted to hold peaceful protests in opposition to President Donald Trump’s policies,

A “No Kings” protest east of Pittsburgh wound down after about two hours of chants, speeches and the near constant honking of car horns, with no clashes beyond some harsh words exchanged with Trump supporters in passing cars.

Anti-Trump protests are planned for Harrisburg, Lancaster, York, Gettysburg and thousands of other places throughout central Pennsylvania and the nation.

Investigates has learned that 13 protests in 10 different communities are set for this Saturday in Southwestern Pennsylvania.

The LAPD said on social media that the people in the crowd were throwing "rocks, bricks, bottles and other objects" while they were near the federal building.