DENVER (AP) — Thousands of people of all ages demonstrated Saturday in support of gun control in Denver and around Colorado as part of the nationwide "March for Our Lives" rallies.

People packed into Civic Center Park near the state Capitol to listen to relatives of people killed in the 1999 Columbine High School shooting, including gun control advocate Tom Mauser.

They also heard from Maddie King, a student at Marjory Stoneman Douglas High School in Parkland, Florida, the scene of a shooting last month that left 17 people dead.

After the talks, demonstrators spilled onto the streets of downto...